Vaginitis, or inflammation of the vagina, is a group of conditions that cause itching, burning, irritation and abnormal fluid flow from the vulva-vagina. The former is also known as vulvovaginal pseudomycosis, a vulvovaginal inflammation caused by Candida infection, and the latter is caused by Trichomonas vaginalis, which can be distinguished according to clinical manifestations and auxiliary examinations. The latter is caused by Trichomonas vaginalis, and the two can be distinguished on the basis of clinical manifestations and auxiliary examinations. 1. (2) Trichomonas vaginalis: the main manifestations are thin, pus-like, foamy, odorous, grayish yellow or yellowish white vaginal discharge, itching of the vaginal opening and vulva, intermittent burning, pain and painful intercourse. (1) Mycosis fungoides: erythema and edema of vulva, redness and swelling of vaginal mucosa, white masses on the inner labia minora and vaginal mucosa; (2) Trichomonas vaginalis: congestion of vaginal mucosa, scattered bleeding spots in severe cases, even bleeding spots on the cervix, forming a “strawberry-like” cervix. (1) Mycotic vaginitis: budding spores or pseudomycorrhizae of Pseudomycetes can be found in vaginal secretions; (2) Trichomonas vaginitis: trichomonas can be found in vaginal secretions. (2) Treatment of mycosis vaginalis and trichomoniasis 1. Mycosis vaginalis (1) medication: local miconazole suppositories, clotrimazole suppositories, mycobacterium suppositories, oral fluconazole, itraconazole, ketoconazole, etc. for recurrent episodes or for those who cannot give medication vaginally; (2) other treatment: sexual partners should be examined and treated for Candida, and attention should be paid to ironing underwear and towels. (2) Other treatment: Sexual partners should be examined and treated for Candida, and attention should be paid to ironing underwear and towels. (1) Local medication: Metronidazole vaginal effervescent tablets or 0.75% metronidazole gel, 1% lactic acid or 0.5% acetic acid douche can generally reduce the symptoms; (2) Systemic medication: Metronidazole can be used for the first treatment and should be stopped once side effects are detected. (3) Other treatment: Sexual partners should be treated at the same time and unprotected intercourse should be avoided until cured.