Bacterial vaginosis in women may be transmitted to their husbands, and women suffering from bacterial vaginosis are advised to have active treatment before having sex. Bacterial vaginosis is caused by a variety of pathogenic bacteria, unclean sex, bad habits, lack of lactobacilli in the vagina and other factors can cause bacterial vaginosis. The main symptoms are abnormal increase in vaginal discharge, fishy odor, and thin discharge. Bacterial vaginosis patients are likely to infect their partners if they have frequent sex without treatment, and it is recommended that women with bacterial vaginosis should be actively treated before having sex. Treatment is based on anti-anaerobic drugs, either oral agents or intravaginal suppositories or creams. Commonly used drugs are metronidazole, tinidazole, clindamycin, etc., local drugs commonly used metronidazole vaginal suppositories, clindamycin ointment and so on. Usually must pay attention to local hygiene, eliminate unclean sex.