Cold hands and feet belong to the Chinese medicine “hands and feet cold” this symptom of the category, may be the cold weather, the use of warming measures are not timely and other physiological reasons, but also because of the decline of yang energy, cold evil guest surface, heat evil within the depression, the liver qi stagnation (the liver’s qi and blood transport is not smooth, emotional depression) caused. 1. Weakness of Yang Qi: Yang Qi is weakened due to weakness of the body, deficiency of kidney yang (lack of Yang Qi in the kidneys), or after vomiting and diarrhea, Yang Qi is violently removed, or after hemorrhage, Qi is removed along with the blood, or excessive sweating in febrile illnesses, Yang Qi is leaked out, etc., resulting in Yang Qi being weakened, and coldness in the yin and the feet and hands appear cold. 2. Cold evil guest surface: due to the cold evil invasion of the muscle surface, the main collection of attraction, the nature of stagnation, cold for the yin evil, guarding the outside of the yang qi is curbed, and triggered by the hands and feet cold. 3. Heat: heat from the surface of the evil into the inside, heat and Yang Yu, Yang Qi can not reach the limbs, and the emergence of cold hands and feet. 4. Liver qi stagnation (liver qi and blood transportation is not smooth, emotional depression): emotional upset, anger and injury to the liver, the liver loss of detachment, organized, liver qi stagnation is all the qi stagnation, yang stagnation does not reach the limbs, then the occurrence of cold hands and feet. 5. In addition, qi and blood insufficiency, all kinds of pain will also appear hands and feet cold, treatment of the original disease symptoms will disappear. Patients with cold hands and feet should pay more attention to their diet, such as not eating cold food. If there is any discomfort, you need to go to the hospital in time, and you need to follow the doctor’s instructions in order to better treat the disease.