Cold hands may be due to the body’s lack of yang qi, cold evil attack and other reasons. 1. Insufficient yang qi: Chinese medicine believes that yang qi has a warming effect, which can promote the body to produce heat, eliminate cold, warm the whole body. However, if the body’s yang qi is insufficient, it will show a reduction in the warming effect, heat production is too small, so there are cold symptoms, such as cold hands, cold limbs symptoms. 2. Cold attack: Cold is characterized by cold, and when it attacks the body, cold will block Wei Yang (Yang in the surface of the muscle) of the actual cold symptoms. When the cold evil attacked the muscle surface, so that the yang can not give full play to the role of warmth, and the emergence of cold hands, cold and other symptoms, mostly accompanied by nasal congestion, runny nose and other symptoms. If you feel cold hands regularly, you need to ask your doctor to give you a diagnosis as soon as possible, and treat the symptoms under your doctor’s guidance.