Hard lumps in the stomach may be related to the pancreas such as pancreatitis, or it may be caused by diseases such as habitual constipation or intestinal adhesions. 1. Pancreatitis: Peritoneal irritation in pancreatitis can lead to muscle tension in the abdominal wall, resulting in a hardening of the abdomen. The patient will have obvious abdominal pain and a sensation similar to a hard lump when squeezing the abdominal wall. Pancreatic pseudocysts caused by acute pancreatitis can also lead to a mass in the abdomen. 2. Habitual constipation: it can cause feces to accumulate in the intestines and form localized hard lumps. 3. Intestinal adhesions: Intestinal adhesions can lead to abdominal distension, abdominal cramps, especially if there is dilatation in the intestinal canal, as well as accumulation of gas and fluid, the abdominal wall can be seen in the form of tubes, as well as hard lumps in the abdomen. Hard lumps in the stomach may also be seen in cysts, tumors and other diseases, if the symptoms of hard lumps in the stomach, persistent and unrelieved, you need to seek timely medical treatment.