阴道炎是妇科常见疾病,临床上以白带性状改变及外阴瘙痒灼痛为主要特点,若未及时治疗,可引起宫颈炎、尿道炎、盆腔炎和不良围产期结局等并发症〔1-2〕。临床上常见的阴道炎包括细菌性阴道病(BV)、念珠菌性阴道炎(CA)、滴虫性阴道炎(TV)和支原体性阴道炎(MV)等。BV是阴道内菌群失调引起的疾病,约占外阴感染的40%~50%,表现为阴道加德纳菌、阴道阿托波菌和普氏菌等厌氧 Vaginitis is a common gynecological diseases, clinical changes in leucorrhea and vulvar itching burning as the main feature, if not treated, can cause cervicitis, urethritis, pelvic inflammatory disease and adverse complications such as outcomes [1-2 ]. Common clinical vaginitis include bacterial vaginosis (BV), Candida vaginitis (CA), trichomonas vaginitis (TV) and mycoplasma vaginitis (MV) and so on. BV is caused by intravaginal flora disorders, accounting for about 40% to 50% of vulvar infections, manifested as vaginal Gardnerella, vaginal apatura and Prevotella anaerobic