It is normal to have early menstruation once in a while, but it is not good to have early menstruation frequently, which may be due to menstrual disorders, and it is recommended to adjust and treat them in time. It is normal for menstruation to occur 3-7 days early, but if it occurs more than 10 days early, it is an abnormal change, and it is best to go to the hospital in time for examination. Most of them are due to the imbalance of the central nervous system in the body, which leads to abnormal hormone levels, thus producing symptoms of disease. This situation has a certain impact on the body, may have functional menstrual disorders, so must pay attention to timely use of drugs to treat. You can take medicines to regulate menstruation, such as motherwort granules, plus flavor of free pills, etc., and also go to the hospital for regular checkups to check the luteal function to see if there is a luteal insufficiency and other symptoms, and then timely regulation.