Precipitation is quite effective in the treatment of acute diseases,painful disorders,such as acute abdomen,cholecystitis,urolithiasis,neurovascular headaches,etc.For the acute abdomen with severe fu\|organ syndrome Dahuang (Rhei Rhizoma)and Yuan ming fen(Mirabilitun Depuratum)are used as the main ingredients prescribed.when the evil repletion is mild or in weak patients Trichosanthis Fruetus and Mirabilitum Rhizoma are used as main ingredients,and some medicine regulating qi are used to make it even effective.