Pancreatic cancer stomach bloating and hardness may be gastrointestinal gas accumulation, or cancerous ascites or invasion of the peritoneum. 1. It is common for pancreatic cancer patients to suffer from impaired pancreatic function, which will affect the digestive function and lead to gastrointestinal gas accumulation. 2. If the cancer metastasizes to the abdominal cavity in the late stage and causes ascites, or if the patient is combined with hypoproteinemia, a large amount of ascites can also be formed, and the symptoms of bulging and hardening of the stomach will appear, and diuretics will be added to the basic treatment, and in severe cases, ascites will need to be pumped out to alleviate the symptoms. 3. If the cancer cells invade into the peritoneum, the symptoms of stomach bulge will also appear. This kind of patients will also have cancer pain, and the main purpose of treatment is to alleviate the symptoms and improve the quality of survival of patients.