Trichomoniasis usually refers to trichomonas vaginitis, which can usually be treated with drugs such as metronidazole, tinidazole and ornidazole. Trichomonas vaginitis is usually caused by the infection of Trichomonas vaginalis, which is a relatively common gynecological disease in clinical practice, usually due to sexual impurity and frequent use of public supplies. Its symptoms are mainly in the abnormal increase of vaginal discharge, odor, and when serious, it will affect the daily life. It is usually treated with drugs such as metronidazole, tinidazole and ornidazole, which may cause dizziness, nausea and other adverse reactions, and is contraindicated in people who are allergic to the drug components or have severe liver dysfunction. In addition, it is worth noting that trichomoniasis medication should be rationally selected under the guidance of a doctor, do not self-medication, so as to avoid the emergence of other serious problems. During the treatment period, regular review to determine the recovery situation, during the period of illness prohibit coitus in order to avoid the occurrence of infection.