If there is a strong odor during menstruation, it is important to be vigilant in the clinic. It is often due to endometrial inflammation, endometrial cancer, bacterial vaginosis and other causes of clinical menstruation odor, it is best to do the appropriate examination after menstruation is clean. 1, do the routine test of the leukorrhea: the main discharge of bacterial vaginosis. If there is inflammation, actively use antibiotics for treatment, the most commonly used in the clinic is metronidazole or tinidazole pessary inserted into the vagina for treatment. 2, it is recommended to do gynecological examination: to understand the cervix localized abnormalities, and it is recommended that women who have not done the cervical cancer screening within one year should do the best cervical cancer screening. 3, ultrasound: to understand the situation of the endometrial lining. If the endometrium has abnormal echoes or abnormal masses, it is recommended to do diagnostic scraping.