Women’s body is relatively weak, every time to menstruation will catch a cold, because the menstrual period by the influence of endocrine hormone changes, the body’s immunity itself declined, if the body has been relatively weak easy to cause a cold. To change the usual should pay attention to exercise, ensure adequate sleep, do not stay up late, improve the body’s immunity, diet should pay attention to diversification, drink more water, eat more fresh fruits, vegetables and protein-rich foods, can effectively prevent colds. Menstruation must pay attention to keep warm, can not be cold, if the cold in a timely manner to take medication for treatment, but also pay attention to changes in body temperature, to see if there is no fever, you can consider the usual prevention of colds through the injection of influenza vaccine, which also has a better effect.