12 days after the intestinal adhesion release surgery, there is gas but the stool does not pass, consider constipation, the occurrence of new intestinal adhesions, intestinal content is small and other factors lead to. 1. Constipation: after the intestinal adhesion release surgery, if there is constipation, it will lead to the inability to pass stool, usually must develop the habit of regular defecation, adhere to improve constipation, eat more crude fiber food, eat more fruits and vegetables, prohibit spicy and stimulating food. 2. New intestinal adhesions: the abdominal wall is normally smooth, there is a layer of endoperitoneum wrapped around the intestinal lumen and abdominal contents, when due to surgical or traumatic injuries caused by the abdominal wall with old scarring is prone to the formation of adhesions, the need for intestinal adhesion laxation, the caesarean section and the formation of the abdominal wall will form an incision, which will form new adhesions again possible. 3. Low intestinal content: Before and after the surgery for intestinal adhesions, usually need to prohibit eating and drinking, at this time, the intestinal content is low stool formation is relatively low, so some patients will not have a bowel movement. It is recommended that patients go to the regular hospital in time, after the cause is clear, targeted treatment and conditioning, and actively cooperate with the doctor’s treatment, do not self-medication to avoid causing adverse effects.