Pelvic space is not necessarily cancer, patients need to clarify the specific cause of the disease at an early stage. Pelvic occupation generally refers to the mass found in the pelvic region of the patient during imaging examination, usually, choledochal disease, duodenal papillitis, pancreatic cancer and other diseases can be manifested as pelvic occupation, so pelvic occupation is not necessarily caused by cancer. When checking out the pot belly occupation, patients need to make further examination according to the CT examination results and specific clinical manifestations, which can be integrated with gastroscopy, nuclear magnetic examination, blood tests and tumor markers for diagnosis and analysis, and then choose appropriate methods for targeted treatment after clarifying the specific diseases. The chances of pot belly cancer are still large, patients should pay attention to it, and actively cooperate with doctors for examination and treatment.