It is not normal to poop without farting after surgery for colon cancer off fistula. Under normal condition, there will be gas in 12 to 72 hours after surgery, and the lack of gas may be due to intestinal paralysis and slowing down of gastrointestinal peristalsis, resulting in the gastrointestinal function not recovered. If you want to pass gas as soon as possible, you can choose to get out of bed after surgery, eat more fresh vegetables and fruits, pay attention to rest, and pay attention to diet, don’t eat stimulating food, don’t be tired, and don’t stay up all night. Postoperative defecation is normal, which means that the gastrointestinal function has been restored, if more than 72 hours without defecation is an abnormal phenomenon, you need to find a doctor to carry out related treatment. If you do not pass gas after surgery, the function of gastrointestinal tract has not returned to normal, which may be due to poor peristalsis of gastrointestinal tract or intestinal adhesions. It is recommended that timely and active examination and treatment, when the condition permits, hot compresses can be used to massage the patient’s abdomen, the emergence of maladaptation immediately find a doctor.