Leukorrhea is yellowish-green with a fishy odor, it is recommended to wash the vulva with metronidazole lotion and use metronidazole suppositories locally for treatment. Metronidazole suppositories are recommended to be used continuously for 5-7 days, and during the treatment period, you can’t have sex or take a bath, so as not to aggravate the symptoms of vaginitis, which is not conducive to the recovery of vaginitis. Leukorrhea is yellowish-green with a fishy odor, most of the consideration is trichomonas vaginalis infection, caused by trichomonas vaginitis. Trichomonas vaginitis is highly contagious, if the sexual partner has symptoms need to be treated at the same time. If the symptoms are more serious, it is recommended to take oral metronidazole, tinidazole or ornidazole for treatment. Because metronidazole drugs have a certain degree of gastrointestinal stimulation, it is recommended to take the drug after meals. During the treatment of trichomoniasis, it is recommended to wash the vulva every night, change underwear every day, and keep the vulva clean and dry.