Little girls in the 1st time to menstruation, are in adolescence, girls for menstruation basic common sense, are not very well understood, in the period care is more important, mainly in the following areas: 1, to change the sanitary napkin on time, it is recommended that 3-4 hours to change 1 time. If there is more blood, or feel uncomfortable situation in the perineum, change at any time. It is recommended to use clean water and wash the perineum 1-2 times a day. 2. pay attention to rest during the menstrual period and do not engage in strenuous exercise. 3. dietary care, do not eat spicy, stimulating, blood-activating foods during the period.