The constant rumbling of the stomach usually refers to active bowel sounds. One month after appendicitis surgery, the stomach keeps rattling, it may be a normal phenomenon, or it may be caused by medication, inflammation and other stimuli, or it may be caused by postoperative intestinal adhesions. If your stomach keeps rattling and is accompanied by other uncomfortable symptoms, you should consult a doctor in time to find out the cause of the disease. 1. Normal phenomenon: when the intestines peristalsis, the gas and liquid in the intestinal tubes flow with it can produce sound. It is recommended that postoperative appendicitis patients should be light, liquid diet, small meals, so as not to aggravate the burden on the gastrointestinal tract. 2. Drugs, inflammation and other stimuli caused by: due to appendicitis one month after surgery, the disease is not yet fully recovered, gastrointestinal function is not yet very sound, drugs, inflammation or spicy and irritating food to stimulate the field of peristalsis accelerated, which can lead to active intestinal sound. 3. Intestinal adhesion: appendicitis surgery can lead to abnormal adhesion between the intestinal tube and the abdominal cavity organs (mainly intestinal tube), the patient may appear intestinal obstruction, with intestinal tinnitus hyperactivity, may be accompanied by abdominal pain, abdominal distension, vomiting, anus to stop defecation and other symptoms. After appendicitis surgery, if the stomach rattling is frequent or persistent, and accompanied by abdominal pain, nausea and other discomfort, we should consult the doctor in time to make a clear diagnosis, and actively carry out the relevant treatments, to avoid the aggravation of the condition caused by the adverse consequences.