Yin Substance, Yang Function
Updated 2026-08-01
INTRODUCTION
English translation pending.
CORE DEFINITION
A principle in Chinese medicine applied chiefly to the liver. The liver stores blood, which is a yin, material foundation, so its substance is yin. Yet it governs free coursing and the smooth movement of qi, is forceful by nature, and readily becomes hyperactive, so its function is yang. The key qualification is that the two must be treated together: nourishing blood without moving qi causes stagnation, and moving qi without nourishing blood depletes it.
SCAFFOLDING EFFECT
Reduce cognitive load
- Dual-axis check: assess both the blood foundation and the qi movement before choosing treatment. - Balance rule: decide the ratio of nourishing to moving based on whether stagnation, hyperactivity, or deficiency dominates. - Failure prediction: recognize that treating only one axis will produce either stagnation or depletion.
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The liver's forceful function depends on a material base: adequate blood anchors yang, so that it does not flare upward. Conversely, the blood needs qi movement to circulate, so that it does not stagnate. Each side therefore protects the other. Treating only the function consumes the substance, and treating only the substance leaves the function stuck, which is why the two must move together.
MINIMUM ACTION
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Source support: Explicit
- h5.baike.qq.comhttps://h5.baike.qq.com/mobile/overview_detail.html?id=tx23928029fi9a97&name=%E8%82%9D%E4%BD%93%E9%98%B4%E7%94%A8%E9%98%B3verified
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