A pins and needles sensation in the abdomen is most commonly caused by peritonitis or abdominal infections. Many patients have primary infection of the abdominal cavity, especially female patients with pelvic inflammatory disease or appendicitis, and early on they will show pins and needles pain in the abdomen, if the inflammation is promptly and effectively controlled, the symptoms can gradually decrease, the inflammation will expand, the patient will also have fever, especially in appendicitis, there will also be significant exudation, the investigation will show signs of peritoneal irritation, the patient will have significant The patient may have diarrhea or rectal irritation. Early anti-infective treatment should be prompt, and in severe cases further surgery is required to remove the infected lesions from the abdominal cavity, and symptomatic rehydration and other supportive treatment should be observed. Some patients may present with abdominal tingling and diarrhea as a result of intestinal infection, and the symptoms may gradually decrease after effective treatment.