On the first day of menstruation, you can do some simple exercises, such as walking, climbing stairs, etc., but it is not advisable to do strenuous exercises to prevent increased bleeding. During menstruation, women are in the state of bleeding, at this time, the body is easy to get tired, easy to have low blood sugar, it is recommended to fully rest, if you want to exercise, it is recommended to carry out some simple walks, climbing stairs and other sports, should not be strenuous physical activities, such as running, jumping rope, etc., which is prone to aggravate the menstrual cramps or cause menstrual flow is too large, the emergence of prolonged time and other symptoms. It is recommended that women eat more food with higher energy to replenish energy for the body on the first day of menstruation. At this time, in order to avoid menstrual cramps, they should eat less tobacco and alcohol as well as food with lower temperature to promote the health of menstruation.