For menstrual disorder or even amenorrhea caused by weight loss, it is necessary to check the hormone level in the body, and adjust menstruation by changing lifestyle and taking sex hormones orally according to the hormone level. Menstruation in women is controlled by hypothalamus. If women lose weight in a short time, there will be obvious weight loss and severe dieting symptoms, which may lead to fat loss or malnutrition and malnutrition in women. These may cause hypothalamic depression, lead to menstrual disorder and even amenorrhea, and it is not easy to recover. This situation should be judged according to the hormone level, increase diet nutrition appropriately, lose weight step by step, and don't have excessive weight changes in a short time.