In 2009,some of Chinas official government statistics faced public ongoing question and challenge from domestic and foreign scholars,institutions and the mass media.The concentrated question and challenge not only to some extent reduce the credibility and reliability of Chinese governments official statistics,but also seriously affect the credibility of government statistics.Official statistics have been repeatedly questioned,several aspects of the main reasons are as follows:the external environment of statistics changed dramatically; old administrative style of statistical concepts and models still exist; differences are existed between agencies and the public agree; the ability of official government statistics needs to be improved; the lack of official government statistics on the quality of regulatory mechanisms or third-party certification;official government and the public have different ways of thinking about the data.