Cold hands can be caused by a variety of reasons, including environmental factors, yang deficiency, insufficient qi and blood, and qi depression. 1. Environmental factors: This is a long time in a cold environment, wearing clothes too thin, etc., so that the body temperature is lower, will lead to the symptoms of cold hands. 2. Yang deficiency: when the body’s Yang Qi is insufficient, Yin cold and other factors cause drowsiness, fatigue, cold limbs and other symptoms, which can be manifested in the phenomenon of cold hands. 3. Qi and blood insufficiency: If there is a deficiency of qi and blood, it can cause symptoms such as pale complexion, fatigue, and cold limbs, which can lead to the symptoms of cold hands. 4. Qi stagnation: When the qi is stagnant, the qi and blood do not flow smoothly, resulting in the hands and feet are prone to insufficient qi and blood, which leads to cold hands. If the body hand cold symptoms, should go to the hospital in time to clarify the cause of the disease, under the guidance of professional physicians, targeted treatment to avoid the impact on the body.