Trichomoniasis is caused by direct sexual contact and can also be transmitted indirectly through bath towels, bath tubs, swimming pools, toilets, etc. Trichomoniasis is a parasite that is easily transmitted. Trichomonas is a parasite that can be easily transmitted, mainly by trichomoniasis patients or carriers of trichomonas, and can cause trichomoniasis, urethritis, etc. Trichomoniasis can cause foamy leucorrhea, vulvar itching, local skin redness, etc. It can also cause foul odor, and a large number of trichomonas can be found through routine leucorrhea examination. In case of UTI, it will cause frequent and urgent urination and also painful urination, which can be treated by oral metronidazole or by intravaginal use of metronidazole pessary. If there is trichomoniasis, it is recommended that both spouses be treated at the same time and that they should not have intercourse during treatment. The patient’s clothing also needs to be washed and disinfected in a timely manner to avoid re-exposure to contaminated clothing, which can prevent recurrence of the disease.