Cystectomy usually refers to laparoscopic total cystectomy, which can be roughly divided into anesthesia, establishment of operating channels, freeing the tissues and organs around the bladder, removing the bladder, dealing with the ureter and other steps, and the specific operation will vary according to the surgical method, the physician’s habits and so on. 1. Anesthesia: general anesthesia is used in general surgery, after anesthesia, the patient is unconscious and will not feel pain. 2. Establishment of the operating channel: generally first use a puncture needle through the navel puncture into the abdominal cavity, through the puncture needle injection of carbon dioxide, the establishment of the operating space, and then according to the personal habits of the operating surgeon, in the abdomen to cut 2-4 small holes, through these small holes into the abdominal cavity puncture device, the establishment of the operating channel. 3. Free the surrounding tissues and organs: put the operating instruments through the operating channel, first free the tissues and organs around the bladder, such as the ureter, vas deferens, prostate, and obturator nerves, etc., and carry out the necessary marking and protection. 4. Resection of the bladder: find the bladder artery first, clamp it and then carefully separate it along the bladder performance, cut off the vesicourethral and vesicoureteral connection after complete separation, and completely resect the bladder; if malignant lesions are considered, lymphatic clearance should also be carried out at the same time. 5. Handling of ureter: According to the patient’s condition and the surgeon’s habit, one can choose to fix the ureter into the abdominal skin stoma or use the intestine to recreate the bladder and other methods to handle the ureter. Due to the influence of surgical methods, patient’s condition, surgeon’s habit and other factors, the specific operation will be somewhat different; specific surgical matters are recommended to consult with the attending surgeon carefully before the operation and follow the surgeon’s advice for treatment.