Hidden pain in the right lower abdomen aggravated after meals may be the cause of appendicitis, enteritis, intestinal tumors, can be treated by removing the diseased appendix, cephalosporin, mesalazine and other anti-infective and anti-inflammatory, surgical removal of the tumor, respectively. 1. Appendicitis: refers to the infection of the human appendix, inflammation reaction leading to pain in the right lower abdomen, which is aggravated after meals, often accompanied by nausea, vomiting, loss of appetite, and can be treated by surgical resection of diseased appendiceal tissue. 2. Enteritis: refers to the inflammatory lesions occurring in the mucosa of the intestinal wall, most commonly due to bacterial infection or inflammatory bowel disease, which can be manifested as pain in the lower abdomen, aggravated after meals, often accompanied by diarrhea, which can be treated by cephalosporins, quinolones anti-infective treatment, or anti-inflammatory drugs such as mesalazine. 3. Intestinal tumor: refers to the tumor occurring in the intestinal tissues, which can be manifested as pain in the lower abdomen, aggravated after meals, often accompanied by anemia, emaciation, bloody stools, and can be treated by surgical resection of the tumor. If you have the symptom of pain in the lower right abdomen which is aggravated after meals, you need to go to regular hospitals in time to clarify the cause, and the doctor will issue individualized treatment plan according to the situation, so as to avoid delaying the condition.