Pancreolith with pancreatic carcinoma is a rare disease. It’s difficult to be diagnosed before operation. In this study we summerized 29 cases of pancreolith (including cases of pancreolith with pancreatic carcinoma) during Jan. 1989 to Oct. 1994 treated in our hospital. The clinical characteristics were the following more male patients encomtered; many had the history of chronic alcoholic pancreatitis and many accompanied with diabetes; the main symptoms were persistent upper abdominal pain, pain in the back anoxia, diarrhea, wasting, but rarely jaundice. Main points in diagnosis: ①When the symptoms of chronic pancreatitis are getting worse and the patients become wasting, the carcinoma should be considered. ②Mutiple investigations such as B-US, CT, and MRI, CA19-9, CEA should be taken. ③Exploretory laparotomy and freezy biopsy is performed If nesscessery. Two patients were diagnosed before operation in this study. 3 cases had pancreatoduodenectomy. One had biopsy and other had pancreatojejunostomy.