The lack of warmth in the hands and feet may be caused by physiological factors such as low outside temperatures, or it may be caused by pathological factors such as coldness in the body. Physiological factors can pay attention to keep warm, while pathological factors need timely medical treatment. Cold is generally categorized into two kinds of cold and false cold. 1. Real cold: cold invades the human body but the positive qi is not weak for real cold, generally manifested as local cold pain, fatigue (mental exhaustion, physical weakness), abdominal pain, constipation and so on. Under the guidance of the doctor, you can take the formula of warming the menstruation and dispersing the cold, such as Si Miao San and Lizhong Tang, to treat it. 2. Deficiency Cold: Deficiency of yang qi in the body, which generates cold from within, is called deficiency cold. Chinese medicine believes that yang qi can warm the limbs, yang qi deficiency, the body is not warm, yang qi can not reach the end of the limbs, so feel hands and feet are not warm. Clinical manifestations are afraid of cold, cold limbs, pale face, urine volume and color, stools are not shaped. Under the guidance of the doctor, you can take medicinal formulae such as Pili Zhong Tang (附子理中汤) and Jin Gui Ren Qi Pill (金匮肾气丸). Patients with coldness in the body should pay attention to keep warm, strengthen physical exercise, and maintain physical and mental comfort. If the body is not adapted to timely medical treatment, and under the guidance of the doctor to identify the evidence of the use of drugs, not blindly use drugs, so as not to cause adverse consequences.