The examinations before anal papilloma surgery include blood examination, heart examination, lung examination and anal examination. 1. Blood test: including blood routine, liver function, kidney function, coagulation, blood sugar, immunity test, etc. Through blood test, it can clarify the patient’s liver and kidney function and coagulation, so as to understand the patient’s general health condition, and judge whether the patient is suitable for surgical treatment. 2. Cardiac examination: Generally, electrocardiogram is performed to clarify whether the patient has arrhythmia, heart disease, etc. If he/she has, he/she is not suitable for surgery. 3. Lung examination: Chest X-ray is performed to clarify the condition of the patient’s lungs. 4. Anal examination: it is an important preoperative examination, feasible anoscopy, if the patient has the symptom of blood in stool, colonoscopy can also be carried out to clarify the disease. Before surgery, patients with anal papilloma should actively cooperate with doctors to carry out various examinations and make good preoperative preparations to reduce the risk of surgery and follow the doctor’s instructions.