Teenagers should pay attention to diet, warmth, hygiene, rest and so on when they have their first menstrual period. 1. Pay attention to diet: during menstruation, pay attention to eat less cold, stimulating food, eat more noodles, porridge and other warm food intake, so as not to cause or aggravate abdominal pain and discomfort. 2. Pay attention to warmth: during menstruation due to the body’s resistance to reduce, so this time to pay attention to do a good job of warmth, pay attention to the appropriate increase in clothing, at the same time, especially pay attention to the warmth of the abdomen, if necessary, you can drink ginger water or the use of hot-water bags, warm stickers and so on. 3. Pay attention to hygiene: for the first time to menstruate teenagers, we should pay attention to the diligent replacement of sanitary napkins, pay attention to keep the vulva clean and dry. 4. Pay attention to rest: When you have your period, you should also pay attention to rest, do not do too strenuous exercise, so as not to promote the endometrium of the large pieces of stripping and thus cause increased menstrual flow. For the first time to menstruate teenagers should pay attention to these problems, if there are serious abdominal pain, menstrual abnormalities and other discomfort, it is recommended that they go to a regular hospital gynecology consultation, clear cause of the disease under the guidance of the doctor active treatment.