59 cases of pancreatic ultrasonography, proven by clinically, raiologically or pathologiaclly, were analyzed and the results are as follows : 1. Enchogenecity of pancreatic cancer was low echogenic in 27 cases, high echogenic in 2 cases and had similar echogenecity in 3 cases, compared with liver. 2. There were 10 cases of liver metastasis of pancreas malignancy and the metastasis was demonstrated in 7 cases by ultrasonography. The echogenecity of liver metastasis was low in 6 of 7 cases. 3. in 14 cases of pseudocyst, inflammatory changes in the portion other than pseudocyst were demonstrated in 5 cases. 4. The localized enlargement of pancreas head was demonstrated in 3 cases of pancreatitis of 10 cases.