To understand one’s own constitution, one needs to combine with the whole body manifestations. The constitution of traditional Chinese medicine includes the constitution of peace and harmony, qi deficiency, yang deficiency, yin deficiency, phlegm-dampness, damp-heat, blood stasis, qi-depression, and special endowment. 1. Harmony: well-proportioned body shape, moisturized complexion, thick hair, energetic, tolerant of heat and cold, and good sleep. 2. Qi deficiency: flabby muscles, easy to get tired, sweating, colds, introverted personality, etc. 3. Yang deficiency: usually afraid of cold, hands and feet are not warm, like hot food, lack of mental energy, quiet character, introversion, etc. 4. Yin deficiency: thin, hot hands and feet, dry mouth and throat, dry nose, cold drinks, dry stools, impatient, outgoing and active. 5. phlegm-dampness: obese, flabby abdomen, facial oil, sweat more sticky, chest tightness, sticky mouth, mild character, good patience. 6. Damp-heat quality: medium or thin body, oily face, easy to acne, heavy and sleepy, sticky stools, dryness, easy to be upset, etc. 7. Blood stasis quality: poor blood circulation, dark complexion, hyperpigmentation, common petechiae, dark tongue with petechiae, easily upset, forgetfulness, etc. 8. Qi Depression Quality: thinness, depression, emotional vulnerability, sullenness, introversion and instability, sensitivity and suspicion. 9. Endowment: that is, the allergic body, common asthma, air masses, nasal congestion, sneezing, etc.. The above is a simple summary of the nine major constitution, can be used as a preliminary reference, if you want to clarify their own constitution, it is recommended to ask the doctor, after the doctor’s diagnosis is clear.