Lipo knife, also known as high-frequency galvanic knife, is a relatively advanced treatment for various cervical diseases using ring-shaped tungsten electrodes. The indications are as follows: 1, cervical cytology and colposcopic cervical biopsy suspected cervical intraepithelial neoplasia; 2, suspected early invasive carcinoma of the cervix or carcinoma in situ; 3, chronic cervicitis, cervical polyps; 4, cervical condyloma acuminatum; 5, cervical cytology is heavier than that under colposcopy or suggests that there may be invasive carcinoma. It can also be used for the treatment of skin surface pigmented nevus warts, etc.. Acute inflammation of the cervix and vagina should prohibit the use of Lipstick, its main features are simple operation, little damage to the patient, fast recovery, good hemostasis, not easy to get infected, must be fully sterilized before the operation, pay attention to the local hygiene after the operation, and change the medication regularly.