Daytime sweating and night sweating (abnormal sweating after going to sleep and stopping sweating after waking up) may be caused by qi deficiency and yin deficiency. Daytime sweating is mostly due to qi deficiency, and night sweating is mostly due to yin deficiency. Qi deficiency: refers to the deficiency of zongqi, weiqi and yuanqi, as well as the reduction of qi function, so that the patient’s body of certain functions of the low or decline, the decline in the ability to resist disease and other debilitating manifestations. It is mostly related to poor physical quality, prolonged illness, exertion, dietary factors and so on. The main manifestations are shortness of breath, fatigue, dizziness, spontaneous sweating (involuntary sweating during the day, aggravated by the slightest movement of sweating), and so on. Yin deficiency: It refers to the loss of Yin fluid, and its function of submerging, moisturizing, tranquilizing, shaping and restraining Yang heat is reduced, resulting in the body showing the symptoms of deficiency heat with relatively hyperactive Yang energy. The main manifestations are flushed cheeks, dry throat, hot flashes (a burst of heat), five heart-heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), night sweats, etc. If the patient has night sweats during the day, he or she will have a fever at night. If the symptoms of daytime sweating and night sweating are serious, or if the symptoms persist and do not improve, the patient should go to the hospital in time to see a doctor for treatment, and do not delay the condition by self-medication.