Hard lumps around the stomach, consider subcutaneous masses, hernia, abdominal tumors, gastrointestinal tumors, appendiceal abscess, intestinal obstruction, intussusception, uterine tumors, ovarian cysts and so on. 1. Subcutaneous mass: common ones include subcutaneous lipoma, sebaceous cyst, endometriosis, etc., which manifests as a hard lump under the skin. 2. Hernia: including umbilical hernia, abdominal wall hernia, inguinal hernia, etc., all of which may appear as hard lumps on the left side of the abdomen with the increase of abdominal pressure. 3. Abdominal tumors: such as mesenteric tumors, tumors of liver and gallbladder, pancreatic tumors, umbilical ureter cysts, etc. 4. Gastrointestinal tumors, such as stomach cancer, colon cancer, etc., with the increase of tumor, hard lumps can be touched in the abdomen. 5. Appendiceal abscess: acute infection and suppuration of appendix to form abscess, hard lump can be touched in the right lower abdomen. 6. Intestinal obstruction: intestinal contents accumulate in the intestinal tract, and a cord-like swelling can be touched, accompanied by abdominal pain, abdominal distension, nausea, vomiting and so on. 7. Intussusception: Mostly occurring in young children, palpable lumps can be touched in the intestinal superimposed parts, accompanied by jam-like stools. 8. Uterine tumors: female patients should also consider huge uterine tumors, such as uterine fibroids. 9. Ovarian cysts: Huge ovarian cysts will also be touched as lumps under the skin. When hard lumps are touched around the stomach, you should go to the hospital in time to improve the relevant examinations, and most of them can be diagnosed.