Chronic inflammation of the cervix, including cervical polyps, cervical erosion, cervical thatch, and cervical hypertrophy. Cervical erosion is divided into 3 types according to the depth of the erosion: simple erosion, granular erosion and papillary erosion; and 3 degrees according to the size of the erosion: mild, moderate and severe. The incidence accounts for 40% to 50% of gynecological outpatients and is the most common gynecological disease. 2, clinical manifestations are mainly increased leucorrhea, accompanied by bloody leucorrhea, patients often accompanied by lumbar abdominal pain and swelling, cervical polyps can be manifested as post-menstrual dripping bleeding or post-coital bleeding; cervical that sac, cervical hypertrophy often no obvious symptoms. 3, gynecological examination can be found cervical congestion, erosion, hypertrophy, cervical mouth with purulent drill-like discharge; cervical that cyst, polyps. 4.Diagnosis can be made based on physical signs during general examination, sometimes it needs to be differentiated from cervical tumor. Treatment principle: local treatment is the main treatment, according to different pathological types using the appropriate treatment plan. The treatment of cervical erosion is divided into medication and physical therapy. Pharmacological treatment: local drug application. Physical therapy: freezing, laser, electric ironing or microwave therapy are chosen. Precautions: 1. Before treatment, cervical cytology should be routinely performed. 2. Acute genital inflammation is a contraindication to treatment. 3.Treatment is usually performed 3-7 days after menstruation. 4. Sexual intercourse is prohibited during treatment.