This experiment aimed at finding out the best condition to control pancreatin activation and raise the specific activity of fine Kininase.Firstiy,the pancreas was cut up, abstracted 、activated, precipited with Acetone,dewatered and dried.Then the Primary engyme was dissolved and abstracted.After chomatography, dialysis for desalting and lyophiligation,fine Kininase was obtained. Compared with traditional technology, the new technology raised the recovery rate of primary engyme by 3% and increased engyme specific activi...