What is Eight Principles?

Ba Gang · 八綱 · Pattern Differentiation

The fundamental diagnostic framework in TCM, classifying patterns according to four pairs of opposing qualities: interior/exterior, cold/heat, deficiency/excess, and yin/yang.

Category

Eight Principles belongs to the Pattern Differentiation group of Traditional Chinese Medicine terminology. Browse the full TCM glossary or the related terms below.

Related Pattern Differentiation terms

Cold PatternDeficiency PatternExcess PatternExterior PatternHeart Blood DeficiencyHeat PatternInterior PatternKidney Yin DeficiencyLiver Qi StagnationLung Qi DeficiencySpleen Qi DeficiencyStomach FireWind-ColdWind-Heat

Frequently asked questions

What is Eight Principles in Traditional Chinese Medicine?

The fundamental diagnostic framework in TCM, classifying patterns according to four pairs of opposing qualities: interior/exterior, cold/heat, deficiency/excess, and yin/yang.

What category does Eight Principles belong to?

Eight Principles is part of the Pattern Differentiation group of TCM concepts.

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.