Abstract: Potentilla fruticosa L. bush wood is research that one of biggest bush of Qing Hai wood's areas. At present leaf blade's research only is restricted in the dissection structure, the brush aerial parts biomass and the flavonoid, The leaf department ingredient whole conducts the research to Qinghai wild Potentilla fruticosa L. quite to be few. Gathers wild Bush Cinquefoil leaf in July of 2005 Distinction 2510 m ,2840 m to Carries on the ingredient analysis as the sample, The result indicates: The sample inside a flavonoid contains the deal higher than the sample inside 2510 m contains the deal; The tannin content rather equal; The sample inside 2840 m restores the sugar contains the deal higher than sample inside the 2510 m contains the deal, the rude protein of contains the deal lower than sample inside the 2510 m contains the deal.