Cold physique refers to a cold body, intolerance of cold, cold will cause various diseases, also known as Yang deficiency physique. Related to congenital and acquired factors, Yang can warm the limbs and meridians, enhance the function of the internal organs and excite the nerves. Yang deficiency physique shows the following symptoms: 1. cold extremities, depending on the Yang deficiency site, different parts of the cold; such as spleen Yang deficiency, fear of cold in the abdomen; kidney Yang deficiency, fear of cold in the waist; 2. decreased function of the internal organs, such as bradycardia or chest tightness and breath-holding, indigestion, stomach pain, diarrhea, lumbago, cold knees and shins, decreased reproductive function, etc.; 3; 3, loss of energy, easy fatigue, depression. Patients are advised to drink more hot water and eat warm food.