Inclusion Criteria:  Clinical diagnosis of squamous carcinoma of the cervix, adenocarcinoma, squamous adenocarcinoma (IA1 with lymphovascular interstitial invasion, stage IA2). Age ≥ 21 years and ≤ 70 years. Surgery type B and C (refer to Q-M surgical staging) Normal range of liver and kidney function and blood count (specific details below) Hemoglobin > 60g/L Platelets > 70*109/L Leukocytes > 3*109/L Creatinine < 50mg/dL Transaminase abnormal indicators ≤ 3 Maximum value of transaminases not exceeding 3 times the corresponding normal value. No history of other malignancies. Non-pregnancy. Physical strength classification: Karnofsky score ≥ 60; Subjects voluntarily joined the study, signed the informed consent form, were compliant and cooperated with the follow-up. No psychiatric disorders and other serious immune system disorders (e.g. lupus erythematosus, myasthenia gravis, HIV infection, etc.) (Note: Maximum diameter measurement of cervical lesions is based on PET-CT, or CT, or MRI)  Exclusion Criteria:  Those who are contraindicated for various surgeries and cannot undergo surgery. Patients who have received pelvic/abdominal radiotherapy irradiation or neoadjuvant chemotherapy for cervical cancer. Patients with recurrent cervical cancer Patients with CT, MRI or PET-CT suggesting suspicious metastasis of pelvic lymph nodes with maximum diameter >2cm after further improvement of preoperative examination.