The tests required for anorectal surgery include: 1. three major routine tests for surgery: liver and kidney function tests, infectious disease tests and prothrombinogen tests; 2. chest X-ray and electrocardiogram tests; 3. abdominal ultrasound tests are required according to the patient’s specific situation; 4. for hemorrhoid patients with bleeding symptoms, finger diagnosis and anoscopy are usually required. finger diagnosis results are not satisfactory, and patients are usually advised to undergo e-colonoscopy for further confirmation of the diagnosis.