Cervical hypoplastic lesions are mainly caused by HPV infection, and may also be related to cervicitis, and also do not exclude that it is related to factors such as low self-immunity, and need to go to the hospital in time to have the specific cause determined by a professional doctor. 1, HPV infection: HPV infection is mainly caused by human papillomavirus (HPV) infection caused by squamous epithelial hyperplasia lesions, patients often show vaginal itching, burning pain or after sex Pain, if the patient is infected with HPV, it may cause intraepithelial lesions in the cervix and the phenomenon of low grade cervical lesions; 2. Cervicitis: is an acute inflammation of the cervix, cervicitis is mostly caused by pathogenic bacterial infections, such as menstrual blood flow during menstruation will accumulate in sanitary napkins, if the sanitary napkins are not changed in time and the woman’s own immunity is low, it may lead to bacterial proliferation and infection of the cervix. Local congestion, edema, epithelial degeneration and necrosis may occur, and the examination may reveal a large number of neutrophil infiltration around the mucosa and submucosa tissue and glands. It is recommended that patients with low grade cervical lesions should be examined in a timely manner to clarify the cause and then be instructed by a medical professional whether or not to be examined.