1.What are the common complications and sequelae after anorectal surgery? Common complications and sequelae after anorectal surgery include urinary retention, bleeding, pain, edema, infection, constipation, fever, tetanus, slow wound healing, anorectal stenosis, anal incontinence, etc. 2.What is meant by urinary retention after anorectal surgery? After surgery for anorectal diseases such as hemorrhoids, anal fistula, anal fissure, etc., due to various reasons, urination is not smooth, or cannot urinate on its own, and urine is retained in the bladder, causing many symptoms such as unbearable distension and pain in the lower abdomen. Percussion of the suprapubic area shows a solid or turbid sound. We call the complication that urine cannot be relieved or is not discharged smoothly or dribbled out after surgery as urinary retention. 3.What simple and effective treatment can be done after the occurrence of urinary retention? ① Use a hot water bag or a small electric heating cup stove with 1 to 2 layers of dry towels to prevent burns, apply hot compresses and iron to the lower abdomen, and continue to apply and iron with hot water after the water is cold. The actual fact is that you can find a lot of people who have been in the business for a long time. Young and no prostate hypertrophy and vesicourethral disease after surgery patients, do hot compress 1 ~ 2 hours can urinate on their own; older prostate hypertrophy or vesicourethral disease after surgery patients, do hot compress 2 ~ 4 hours can generally urinate on their own, but still have urination is not smooth, dripping out of the symptoms, should continue to insist on doing hot compress and ironing (uninterrupted) 1 ~ 2 days after the first urination, urination can be restored to the pre-operative state, or even better. Note: Do not burn the skin of the hot compress site; replace the hot water in time after the water is cold; be patient, do not mind the trouble, do the hot compress before the urinary discharge is not smooth, and continue uninterrupted, constantly move the position of the hot water bag or cup stove. ②The first time to urinate should strive to go to the toilet, causing a conditioned reflex; some patients are very shy, in the ward no matter what induction suggestion therapy, etc. will not have urine discharge, but in the toilet, out of the environment of the visiting crowd that is possible to discharge urine. (3) Turn on the faucet in the toilet and listen to the sound of running water to induce urine discharge for some patients. Some special body positions can also be adopted to help urination. ④Make a cup of Ruyi San for tea. ⑤ Use your fingers to press down slowly for 2 minutes at the midline of the four fingers under the patient’s umbilicus and then rub gently and forcefully in the direction downward and toward the perineum, which can help urination. 4.How to prevent postoperative urinary retention in patients who know qigong? After anorectal surgery, patients who can perform qigong can immediately take a breath to open up the “small circumference” of the Ren and Du channels. If you open the “small circumference”, you can run the “qi” in the “small circumference” more than 100 times, which can prevent and control urinary retention after surgery.