Burning sensation in the vagina may be caused by vaginitis, cervicitis, celiac disease and other diseases. 1. Vaginitis: it is an inflammation of the vagina caused by various reasons, mainly manifested as abnormal vaginal secretions, vaginal itching, pain, burning sensation and other symptoms. 2. Cervicitis: refers to the inflammation that occurs in the cervix of the uterus, most patients are asymptomatic, and some patients may show symptoms such as increased vaginal discharge and burning sensation in the inner vagina. 3. Cervical erosion: this refers to the role of estrogen, columnar epithelium outside the cervical canal to the mouth, and the appearance of erosion, clinical manifestations of abnormal leukorrhea, abnormal vaginal bleeding, lower abdominal pain, vaginal burning sensation and other symptoms. There may be other reasons for the burning sensation in the clinic, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease under the guidance of the doctor to give targeted treatment or treatment.