The modern governments,participating in the economic areas comprehensively,realise its power and communal wills through various
contracts.This is the whereabouts of economic contracts or government comercial contracts' essence under the condition of marketing economy.This article,beginning with the definition and characteristics of government acquisition,analyses the necessity and urgency of Chinese government acquisition reform,carries a systemic research on the legal
institution of government acquisition administration and government acquisition contract through a comparative way,and puts forward a series of countermeasures and suggestions to the legislation of government acquisition act in China.The authors hope to process a restatement of the legal institution of econmic contracts under the new situation with the article as the center and starting point.The government acquistition act,as a civilian recommending draft on the basis of research in this article,could be a reference to the legislation of legal practice sectors and the study of scholars.