How Acupuncture Works: A Traditional and Modern Perspective
Acupuncture has been practised for thousands of years, yet many people still ask the same question: how does it actually work? Some explanations focus only on energy, while others try to explain it purely through modern science. In reality, both perspectives are describing the same process from different angles. Neither is complete on its own, and neither needs to be rejected in favour of the other.
Before going into the mechanics, I want to share something from a recent seminar that illustrates what acupuncture is actually capable of when applied with genuine clinical depth — because theory only goes so far.
What Classical Acupuncture Can Actually Do
At a recent treatment seminar, one of the attendees was a woman who had been living with severe oedema of the legs and feet for twenty years. Significant, persistent swelling that had never resolved despite two decades of medical attention. She had been given compression stockings and told to manage the condition. Nobody had seriously entertained the idea that it could be fixed. Not reduced, not managed better — fixed.
After five days of treatment combining acupuncture, Tuina, and herbal medicine, the swelling reduced by approximately seventy percent. She was completely dumbfounded. Not just by the result, but by the fact that something this significant had been achieved at all — and achieved through classical Chinese medicine, which she had never seriously considered before.
Twenty years. No meaningful improvement. Five days of classical treatment producing a seventy percent reduction in a condition that had defined her daily life for two decades.
This is not an isolated case. It is one of hundreds of results I have personally achieved in clinic or witnessed directly through Master Zhou Gan Sheng’s treatment over the years I have worked alongside him. Results that consistently surprise patients who have spent years being told their condition was something to be managed rather than addressed. The gap between what classical Chinese medicine can achieve and what most people have been led to expect from it is, in my experience, enormous.
The Traditional View: Channels and the Flow of Qi
In classical Chinese medicine, the body is understood as an interconnected system of channels through which Qi flows. Qi is not mystical in the way it is often portrayed in Western wellness contexts. It refers to the functional activity of the body — movement, warmth, transformation, and communication between systems. It is a precise and practical way of describing how the body works as an integrated whole rather than as a collection of isolated parts.
When this flow is smooth and balanced, the body functions efficiently. Circulation is strong, tissues are nourished, organs communicate properly, and the system self-regulates effectively. When flow becomes blocked, deficient, or excessive in specific areas, symptoms begin to appear — pain, stiffness, fatigue, digestive dysfunction, hormonal irregularity, emotional instability, or more complex patterns that do not fit neatly into a single category.
Acupuncture works by stimulating specific points along these channels. The points chosen are based on the overall pattern presenting in the body — not just the surface symptom, but the underlying functional imbalance that is producing it. By stimulating the right points in the right combination, the practitioner helps restore movement, regulate function, and guide the body back toward a state where it can operate as it is designed to.
This is why classical acupuncture can address conditions that seem unrelated to each other simultaneously. The oedema case above is a good example — the swelling was not treated as an isolated local problem but as the expression of a systemic pattern. Treating the pattern addressed the symptom in a way that twenty years of symptom-focused management had not.
A Modern Perspective: What Is Happening Physically
From a modern physiological standpoint, acupuncture has several measurable effects that help explain its clinical range.
Nervous system regulation is one of the most significant. Acupuncture can shift the balance between the body’s stress response and its restorative parasympathetic state. Many patients notice this during treatment — breathing slows, muscles release, and the body moves out of the chronic tension state that underlies a significant proportion of modern health complaints. For conditions driven by nervous system dysregulation — chronic pain, anxiety, insomnia, digestive dysfunction — this shift is often central to the improvement.
Circulation and tissue perfusion are directly affected by needling. Local blood flow increases, bringing oxygen and nutrients to tissues while supporting the removal of waste products. This is one reason acupuncture is effective for musculoskeletal pain, injury recovery, and conditions involving tissue stagnation or poor local circulation — which in classical terms would be described as Qi and Blood stagnation.
Fascial and connective tissue response is an area where modern research has begun to illuminate why traditional channel maps work the way they do. The body is not made of isolated parts connected by tubes. It is a continuous network of connective tissue that links every structure to every other structure. Many traditional channel pathways closely correspond to these fascial lines, which helps explain how needling a point on the lower leg can produce a response in the lower back or the digestive organs.
Neurochemical response rounds out the picture. The body releases various substances in response to acupuncture — including those involved in pain modulation, inflammatory regulation, and tissue healing. These responses support both the immediate clinical effect and the longer-term changes that accumulate across a course of treatment.
Classical Versus Modern Protocol-Based Acupuncture
This distinction matters clinically and is worth understanding clearly.
Most acupuncture taught and practised in Western clinical settings follows a protocol-based approach — standard point combinations for standard diagnoses, applied relatively consistently across different patients presenting with the same condition. This approach is teachable, reproducible, and produces reasonable results for straightforward presentations.
Classical acupuncture, as practised within authentic lineage traditions and as I was trained through both my degree at Shanghai University and my years working alongside Master Zhou, works differently. Each patient is assessed as an individual system. The diagnosis goes beyond the presenting complaint to understand the overall pattern — the relationship between organs, the quality and distribution of Qi and Blood, the constitutional factors that have allowed the condition to develop. The treatment is built around that specific pattern rather than applied from a standard template.
This is why two patients presenting with the same condition can receive completely different treatments in classical practice. The surface presentation may be the same while the underlying pattern producing it is entirely different. Treating both cases identically would miss the actual cause in at least one of them.
The difference in outcomes between these two approaches, for complex or longstanding conditions, is significant. The woman with twenty years of oedema had almost certainly received some acupuncture at some point during those two decades. What she had not received was a genuinely classical assessment and treatment directed at the systemic pattern responsible for it.
What You May Feel During Treatment
During a session, most people notice sensations of warmth, heaviness, tingling, or a subtle spreading feeling through the body. Some describe a gentle sense of flow or movement, while others simply feel deeply relaxed in a way that differs from ordinary relaxation.
There is no requirement to feel anything specific for the treatment to be effective. Some of the most effective treatments feel very subtle during the session while producing clear changes over the following days. The body responds to correct stimulation whether the immediate sensation is strong or barely noticeable.
Acupuncture as a Process
One of the most common misconceptions is that acupuncture works in a single session. While some acute conditions can respond quickly and some patients notice significant changes immediately, most conditions — particularly those that have been present for months or years — require a course of treatment.
This is not a limitation of the medicine. It reflects the nature of how the body changes. Patterns that have been established over years do not reorganise in a single session. With consistent treatment, the body begins to shift in a more stable and lasting direction. Each session builds on the previous one, and improvements become progressively more consistent rather than temporary.
The oedema case required five days of intensive consecutive treatment. Twenty years of accumulated pattern does not resolve in one session. But five days of correct classical treatment produced something twenty years of conventional management had not — because the approach was addressing the actual cause rather than the surface expression.
If You Are Considering Acupuncture
If you have a condition that has not responded well to other approaches, or if you have tried acupuncture before without significant results, it is worth considering whether what you received was genuinely classical treatment directed at your specific underlying pattern — or protocol-based treatment directed at your diagnosis.
The difference matters. And in my experience, for complex or longstanding conditions, it often makes all the difference.
Sessions are available at the Authentic Acupuncture, Tuina and Herbs clinic in Peterborough, Monday to Friday. For enquiries or to book, visit the acupuncture page or get in touch directly.
Related reading: What Makes Classical Acupuncture Different?, What Does Acupuncture Feel Like? 5 Common Sensations Explained, and Why Acupuncture Requires Multiple Sessions: The Truth About How It Works. Book a session in Peterborough.
