Abstract: In order to reduce managerial loss by enhancing loss management, a set of relatively complete managerial status evaluation system is built, which can evaluate the management status scientifically and comprehensively based on scoring by weighted sums for three scores of self assessment, other assessment and higher assessment. Investment and economic benefit for developing all kinds of loss management are analyzed firstly. Then explicit quantitative model is used to build relationship between scores and investment & economic benefit, and managerial loss reducing strategy is determined by the minimum ratio of investment to benefit per point, which can solve the problem of fuzziness in previous management measures. Finally, example shows the rationality and practical value of the evaluation system and proposed model.