Girls who stay up late often can cause menstrual disorders. Menstruation is affected by many factors, such as staying up late often, poor lifestyle habits, such as smoking, drinking, weight loss or stressful work and life, can cause menstrual disorders. If girls often stay up late, the ovarian function of girls will also cause a certain impact, long stay up late may even cause endocrine disruption, serious will also cause early onset ovarian function decline, and even cause amenorrhea, the impact on girls is relatively large. The girl should go to bed before 11:00 p.m. to sleep in time to regulate the blood and qi, in order to make the menstruation come more smoothly. In the diet should also do a good job of conditioning, girls should often eat food to benefit the qi and blood, can eat red dates, wolfberry, etc., can play a role in supplementing the qi and blood, the menstruation have a certain regulatory role.