Abstract: The experiment of extracting technology of the polysaccharide polysaccharide of Houttuynia cordata Thunb was conducted as follows extracting 3 times in hot water 4 hours each time and separating the polysaccharide by alcohol in 85 percent density .The components of the polysaccharide were identified by polyacrylamide gel electrophoresis and thin layer chromatography The polysaccharide was assessed to be a heteroglycan compsed of glacose fructose arabinose galactose xylose rhamnose and unkown pentaglucose.

Key words: Houttuynia cordate, Thunb, Polysaccharide, Heteroglycan