目的观察自制宫颈环切电刀在宫颈上皮内瘤变中的临床应用价值。方法自制宫颈环切头直接与高频电刀或高频电灼器的电刀笔头相连接,行宫颈锥切术。结果通过50例患者的临床观察,平均手术时间5~10min,出血量2~6ml,随访一年无复发。结论自制宫颈环切电刀制作简单,价格低,手术时间、出血量、手术效果等与Leep刀无差异,可以替代Leep刀。 Objective To observe the clinical value of homemade cervical circumcision electric knife in cervical intraepithelial neoplasia. Methods Cervical ring incision directly connected with the high-frequency electric knife or high frequency electrocautery penknife electrical connection, cervical conization. Results The clinical observation of 50 patients showed that the average operation time was 5 to 10 minutes and the amount of bleeding was 2 to 6ml. There was no recurrence in one year follow-up. Conclusion Self-made cervical loop electric knife making simple, low price, operation time, bleeding, surgical effects and Leep knife no difference, you can replace Leep knife.