Teenage girls belong to the age of puberty, due to the body’s sex hormone level is still in a relatively unstable state, as well as the ovarian function is not well developed. Sometimes there can be sudden menopause, or irregular menstruation and so on. Normal menstruation can also be affected by irregular diet, or by fatigue, late nights, mood swings, excessive stress, or over-exercise. If the menstrual irregularity occurs suddenly, or the time of menopause is more than 3 months, then this situation needs to be considered to go to the hospital to do ultrasound examination, observation of the uterus, ovaries, endothelium, etc., if necessary, you can take sex hormone drugs to regulate menstruation treatment, and at the same time with the Chinese traditional medicines combined with the symptomatic treatment will help to improve. Diet should be regular, avoiding partiality and picky eating, avoiding hard work, staying up late, reducing stress, and avoiding too much emotional excitement.