Hard lumps in the small abdomen may be constipation, gynecological tumors, abdominal wall tumors, etc. If the patient has severe constipation, hard lumps of stool can be felt in the area of the descending colon and sigmoid colon, that is, in the small abdomen, and may be accompanied by discomfort in the left lower abdomen, you can go to the hospital and see a doctor for examination. If constipation is ruled out, it may be caused by abdominal wall diseases, intestinal diseases and female reproductive organ tumors, and the performance varies from case to case. I. Abdominal wall diseases abdominal wall tumors, such as lower abdominal wall lipomas or fibroids, can cause symptoms such as hard lumps in the lower abdomen, significant pain and discomfort after activity. Surgery is performed after the lesion is clearly identified. Second, intestinal diseases 1, intestinal obstruction: this condition generally manifests as symptoms such as discomfort, pain, vomiting, stopping exhaustion in the left lower abdomen, and the lower abdominal mass can be felt. After a clear diagnosis, gastrointestinal decompression therapy or enema treatment can be performed under the guidance of a doctor; 2. Intestinal tumor: generally manifests as a hard lump in the abdomen with pain and blood in the stool and other symptoms. It is recommended to go to hospital for colonoscopy, CT, ultrasound and tumor marker examination in time to clarify the nature of tumor and then carry out targeted treatment. Third, gynecological tumors in women with hard lumps in the abdomen may also be larger uterine fibroids or ovarian cysts, which manifest as painful lumps in the lower abdomen. These can be diagnosed with the help of specialist examination, ultrasound, etc., and the corresponding treatment will be given after the cause is clarified.