If you have your first period, you must pay attention to the following matters: First, change sanitary napkins regularly to keep your vulva clean, and it is recommended to use cotton sanitary napkins, because mesh sanitary napkins may cause poor local ventilation. Second, pay attention not to drink frozen drinks, do not eat cold food, so as not to cause pain in the lower abdomen. Because the cold food into the stomach and intestines, will cause vasoconstriction, which will lead to contraction of the smooth muscle of the uterus will cause dysmenorrhea. Thirdly, you should not do strenuous exercise when you are having your period. Fourth, during the menstrual period, it is best to take proper rest. Fifthly, it is recommended to soak your feet in hot water every night when you have your period to relieve the fatigue during menstruation. In addition, it is recommended to drink a bowl of hot brown sugar water every day when you have your period, which can make the menstrual blood flow more smoothly.