The term “vacation” here refers to menstruation, and your child should pay attention to warmth and hygiene for his/her first period, as follows: 1. Pay attention to warmth: children’s first menstrual period should wear more clothes to avoid catching cold, in case of menstrual cramps or fatigue and other symptoms occur as a result. 2. Pay attention to hygiene: the child’s first menstrual period should pay attention to private hygiene, change sanitary napkins and underwear, to avoid bacterial infections, which may lead to vulvar itching or redness and swelling and other symptoms. Children do not need to be alarmed when they have their first period, it is a normal physiological phenomenon, during the period, we should guide them to maintain a good mood, understand and accept their physiological changes. If any discomfort occurs, you should go to the hospital immediately.