It is not normal to have two periods in a month. When women have abnormal vaginal bleeding, the following possibilities should be considered: First, it is not two periods, but one normal period and one ovulatory bleeding, which in clinical practice is mainly manifested as one normal vaginal bleeding and one small amount of vaginal bleeding. Occasional occurrence is a normal clinical phenomenon and does not need to be dealt with, but more than three consecutive occurrences will require a comprehensive If it happens more than three times in a row, you need to do a comprehensive examination to determine whether there is a pneumatological lesion. Secondly, menstrual disorders can be caused by endocrine disorders or organic lesions, such as ovarian hypofunction, hyperthyroidism, adenomyosis, endometrial polyps, cervical or endometrial tumor lesions. The diagnosis should be clarified by examining sex hormone six, thyroid function, gynecological ultrasound, cervical screening or hysteroscopy.