Eosin staining results show that the nonpolar solvent extract and volatile oil has antitumor activity in vitro, which were obtained from the product ethyl ether extract cen ketone, dasycarpus alkali and from volatile oil of a colorless transparent liquid in vitro for its anti-cancer active ingredients, the concentration of 45% can kill arroyo, S180, U14 ascites carcinoma cells, But not flavone, limonin and β -sitosterol.