There are many clinical factors that cause menstrual disorders in women, such as mental factors, mood swings, environmental changes, suffering from certain diseases or taking certain drugs, and nutritional status, etc., which can cause abnormal menstruation in women, mainly in the form of early or delayed menstruation. Due to the change of environment in the plateau area, and the plateau reaction will lead to many uncomfortable symptoms, which will easily lead to insomnia, chest tightness, dizziness, weakness and other symptoms, which will affect the mental factors and emotional discomfort, many factors will have certain influence on the menstrual cycle, which will easily lead to the early menstruation, but the early due to plateau reaction, do not worry too much. As long as you pay more attention to conditioning your body and maintain a good sleep, the symptoms can be relieved after a period of adaptation.