Treatment of trichomoniasis: I. Systemic treatment. Metronidazole adults 3 times a day, children will have to be reduced, intestinal trichomoniasis course is 3-5 days, trichomoniasis urethritis, vaginitis, stomatitis medication 7-10 days, pregnant women and lactating women are prohibited; with tinidazole, genitourinary tract and oral infections, the first dose is doubled, once a day, 5-6 days; troglumic acid 3 times a day, 5-7 days of medication. Second, local treatment. Trichomonas vaginitis first with a soapy cotton ball scrub the vaginal wall, and 0.02% potassium permanganate solution or warm boiled water to flush the vagina, and then 1% lactic acid or 0.5% acetic acid to wash clean, dry, Dewi net or metronidazole optional one stuffed into the posterior fornix of the vagina, or spray vagina, every night or every other night, 7-10 days for a course of treatment, consecutively with 2-3 courses of treatment; the cleanliness of the oral cavity The oral cavity should be cleaned and sanitized by gargling with salt water, and no sweet food should be eaten before going to bed.