The paper summarized Professor GUO Zhiqiang's experience in treating cervical precancerous lesions.Professor Guo Zhiqiang put forward the academic theory of “cervical micro-ZhengJia”.He believes that cervical precancerous lesions are caused by the deficiency of vital qi，and the pathogenic factors of dampness，heat，toxin and blood stasis gather together in the cervix and form cervical micro-ZhengJia over time.This disease is treated with the method of strengthening the body and removing toxin.It treats both the symptoms and the root causes and the curative effect is remarkable.