Vaginitis is a common gynecological infection of the reproductive system, often caused by bacterial, fungal and protozoal infections, with symptoms such as vulvovaginal itching, burning pain, irritation and abnormal fluid flow, etc. The pathogenesis of the disease is complex, with a high recurrence rate. The risk of Candida reproduction and infection is increased, and improper use of antifungal drugs can lead to a break in the vaginal self-protection mechanism; 2. Mental factors: anxiety and depression, stressful life can also lead to increased recurrence of vaginitis. 4. Endocrine changes: Long-term oral contraceptives, long-term oral steroids, menstrual disorders, pregnancy, etc. can lead to recurrence of vaginitis. 1. Vaginitis treatment: According to the pathogens of different types of vaginitis, targeted medication can be used to treat bacterial vaginitis, trichomonas vaginitis with metronidazole under the guidance of a doctor, candida vaginitis with clotrimazole tablets vaginally, and other types of vaginitis with nifurtimox tablets and other medications. 2. The key is to eliminate the predisposing factors that induce vaginitis and to develop preventive measures for the above risk factors. Patients with related underlying diseases should use estrogen, glucocorticoids, and antibiotics in a timely and correct manner. In patients with recurrent vaginitis, sexual partners should be examined and treated accordingly to prevent inflammatory reactions due to sexual intercourse. It is necessary to pay attention to hygienic habits, change underwear regularly, wash bath tubs and intimate articles with boiling water, go to public baths less often, and abstain from sexual intercourse.