Common vaginitis is divided into five categories: bacterial vaginitis, Candida vaginitis, trichomonas vaginitis, senile vaginitis and juvenile vaginitis. The common pathogens are Escherichia coli, Staphylococcus and Streptococcus. 2. Patients with symptoms mainly show increased leucorrhoea, grayish white, uniform, thin, with fishy smell, aggravated after sexual intercourse; Candida vaginitis shows vulvar itching, burning pain, painful intercourse, white thick leucorrhoea with curd or bean residue, edema, red spots, white membranous material; Trichomonas vaginitis leucorrhoea is thin, purulent, yellowish green, foamy, with foul smell; senile vaginitis vaginal secretions The main cause of vaginitis in young children is increased vaginal discharge or itching; 3. Treatment: Bacterial vaginitis is treated with anti-anaerobic drugs and sexual partners do not need treatment; Candida vaginitis is treated with fluconazole and itraconazole systemically and miconazole suppositories and clotrimazole suppositories locally; sexual partners should be examined and treated; Trichomonas vaginitis can be treated with The treatment principle of vaginitis in young women is to keep the vulva clean and treat the symptoms. The common manifestation of vaginitis is itching of vulva and vaginal opening. Attention should be paid to avoid excessive scratching to prevent rupture infection and vulvar leukoplakia. It is necessary to wash the vulva and hands before topical application, and change underwear regularly.