Glandular low-grade intraepithelial neoplasia generally refers to abnormal changes in the cells of cervical glands, and is mostly caused by cervicitis and precancerous cervical lesions. 1. Cervicitis: Cervicitis is usually caused by pathogen infection, vaginal flora disorder, etc. Most of the patients do not have obvious symptoms, but some of them may have symptoms of increased vaginal secretion, abnormal bleeding, accompanied by pain during sexual intercourse, vulvar itching, burning and other symptoms. 2. Cervical precancerous lesion: Cervical precancerous lesion is generally related to having multiple sexual partners, long-term oral contraceptive pills, human papilloma virus infection, etc. Patients will have contact bleeding, mostly after sexual intercourse or gynecological examination, and increase in vaginal secretion. If low-grade intraepithelial neoplasia of the gland occurs, you should go to the hospital in time for further examination to determine the specific cause, and follow the doctor’s instructions for treatment after diagnosis.