Cold hands and feet are not necessarily due to Yang deficiency, but may also be caused by Qi and blood deficiency and Qi stagnation. It is recommended that the patient should seek medical advice, and the doctor should analyze the evidence, make a comprehensive judgment, and choose a suitable treatment to improve the phenomenon of cold hands and feet according to the corresponding symptoms. 1. Yang deficiency: Yang deficiency is a common cause of cold hands and feet, mostly related to congenital deficiency, old age, cold diet, excessive room strain and other factors, Yang deficiency is unable to warm the body and limbs, resulting in unheated hands and feet, cold hands and feet. In addition, Yang deficiency can also lead to pale complexion, cold waist and knees, loss of libido, loose stools, and long and clear urine. If the spleen Yang deficiency can be taken to warm Yang and strengthen the spleen Chinese medicine, such as the annexes Rizhong pill; spleen and stomach cold can be taken small Jianzhong granules, warm stomach Shu granules, etc.; 2, Qi and blood deficiency: Qi and blood deficiency is the simultaneous existence of Qi deficiency and Yang deficiency, mostly related to the food less picky food, overwork, irregular work and rest and other factors. Insufficient qi and blood is due to the lack of sufficient qi and blood to moisten the local skin and muscles, resulting in cold hands and feet. In this case, you can take Chinese herbal medicines to warm the qi and blood, such as ten whole tonic pills, compound Agaricus syrup, etc. 3, qi stagnation: qi stagnation is due to the abnormal function of the liver, resulting in qi and blood can not reach the limbs smoothly, unable to moisten the skin and muscles, resulting in cold hands and feet. You need to take Chinese herbal medicines to regulate the liver and qi, commonly used herbal medicines are Zhuangyao Pill and Chaihu Shuhe Pill. Patients with cold hands and feet should choose the appropriate treatment method under the guidance of a doctor according to their condition, not blindly using medicines on their own. In daily life, you should pay attention to keeping warm, avoid getting cold, pay attention to rest, and avoid eating cold and raw food.