First of all, we have to find out what causes the odor of vaginal discharge, clinically, bacterial vaginosis, cervical cancer, endometrial cancer can lead to odor of vaginal discharge, it is recommended to do the routine leukorrhea test to understand whether it is due to the bacterial vaginosis caused by the bacterial infection, and then give the appropriate medication to treat it, clinically, commonly used metronidazole suppositories or tinidazole suppositories inserted into the vagina for treatment. In addition, if there is no inflammation in the clinical white belt test, cervical cancer screening should be done to find out whether the cervical epithelium has lesions, whether there is high-risk HPV infection, and whether there is cervical cancer, and then the clinic will give further treatment. Endometrium also need to do ultrasound to understand the endometrium echogenicity is uniform, whether there is an abnormal echogenic mass, if necessary, to do diagnostic scraping, only after the cause of the investigation can be treated.