Cold symptoms can be characterized by localized cold pain, purplish complexion and coldness (fear of cold) and cold limbs. Cold is a yin evil, and it is stagnant and induced. When cold invades the blood, the blood flow is not smooth, so there are cold pains in the hands and feet, face and earlobes, etc. Cold easily injures yang energy. Cold easily injures yang qi, and yang qi can’t reach the skin, so it is afraid of cold limbs. Cold condensation and collection and blood flow is not smooth, but also a piece of blood stasis of the phenomenon, manifested as purple skin color, women’s menstrual purple or clamped with blood clots and so on. If the menstrual period of women greedy cold drinking cold, will be due to cold condensation of the uterus, Chong Ren blockage, and the emergence of abdominal constriction (small abdominal traction discomfort) cold pain, or delayed menstruation, dysmenorrhea and other manifestations. It is recommended to consult a doctor in time to avoid delaying the condition.