Yang deficiency manifests itself in the form of cold, cold limbs, light mouth and no thirst, spontaneous sweating (involuntary sweating during the day, sweating is aggravated by the slightest movement), and long and clear urination, etc.; qi deficiency manifests itself in the form of less energy and lazy speech (lack of strength, not wanting to talk), fatigue (mental exhaustion, physical weakness), and spontaneous sweating, etc. 1. Yang deficiency: refers to the body’s Yang deficiency, mostly caused by prolonged illness and weakness, living in a cold place for a long time, over-serving cold and bitter cold products, overwork, clinical manifestations of cold, cold limbs, thirst, self-sweating, white face, urination and other symptoms. 2. Qi deficiency: refers to the deficiency of vital energy, gas promotion, consolidation, defense, gasification and other functions of the weakness of the symptoms manifested by the decline. Qi deficiency is mostly related to prolonged illness, overwork, congenital insufficiency, acquired dietary disorders, and old age. Clinical manifestations may include low qi and laziness, fatigue, spontaneous sweating, and a weak pulse. Patients with symptoms of yang or qi deficiency should seek medical treatment in time to avoid delaying their condition.