Menstruation is only a little brown, considered to be caused by menstrual disorders, menstrual disorders will have varying amounts of menstruation, the length of the period, serious abdominal pain, mainly related to long-term mental depression, excessive mental tension, excessive dieting, addiction to tobacco and alcohol or long-term use of hormonal drugs and gynecological diseases, etc.. It is best to develop good living habits, avoid staying up late, pay attention to keeping warm during menstruation, and prohibit intercourse to avoid the possibility of infection leading to gynecological diseases. Pay attention to the improvement of diet, you can eat more fruits and vegetables, enhance their physical fitness, reduce fatigue, try to control emotions and maintain an optimistic state of mind, which is conducive to improving the symptoms of menstrual disorders.