体质 · tǐ zhì
TCM Body Constitution
In Traditional Chinese Medicine, body constitution (体质) is a way of describing recurring tendencies in how a person is understood to respond to environment, food, activity and change. The nine-type model is a traditional educational framework—not a diagnosis and not a substitute for modern medical care.
What Is Body Constitution in TCM?
Constitution is best understood as a pattern of tendencies rather than a fixed type. TCM practitioners may consider constitution alongside current patterns, season, age and context. Two people can share a category while needing very different, individualized care.
The 9 TCM Constitution Types
| Traditional name | English name | Overview |
|---|---|---|
| 平和质 | Balanced | A relatively even constitutional pattern; often described as steady energy and adaptable routines. |
| 气虚质 | Qi Deficiency | A traditional pattern framed around available qi and stamina; people may describe low reserves or needing more recovery. |
| 阳虚质 | Yang Deficiency | Associated in TCM language with warmth, activation and a preference for gentle consistency. |
| 阴虚质 | Yin Deficiency | A pattern discussed through restoration, moisture and the balance between activity and replenishment. |
| 痰湿质 | Phlegm-Dampness | A traditional model of sluggish transformation and heaviness; the language is symbolic, not diagnostic. |
| 湿热质 | Damp-Heat | A combined pattern of dampness and heat in TCM theory, often explored through habits and environment. |
| 血瘀质 | Blood Stasis | A traditional description of constrained movement and circulation within the TCM model. |
| 气郁质 | Qi Stagnation | A pattern concerned with the free movement of qi, mood and expression in traditional language. |
| 特禀质 | Special Constitution | A category for distinctive sensitivities and constitutional features outside the other groupings. |
Detailed pages for individual types can add nuance over time; this overview intentionally avoids turning traditional descriptions into symptom checklists.
Why Does TCM Classify Body Constitution?
Classification gives practitioners and learners a shared vocabulary for discussing prevention, balance and lifestyle context within TCM. Used carefully, it can prompt better questions: What changes with the seasons? Which routines restore me? What should I discuss with a qualified professional?
Can Someone Have More Than One Constitution Pattern?
Yes. A person may show a primary pattern with secondary tendencies, or a pattern may shift over time. Real life does not need to fit one tidy row in a table.
TCM Constitution and Modern Medicine
Take the TCM body constitution test
Use the framework as a starting point for better questions, not a fixed verdict.
Keep Exploring
Compare this model with the Chinese Five Elements, review how it differs from the BaZi chart framework, use the BaZi calculator guide, or start with the TCM constitution assessment guide to understand how questionnaires are framed.