Abstract: An important issue in Chinese government administrative reform is how to tmprove administrative The essay analyses official utility function, and points out that government officers are also the pursuers of utility maximization, which will cause lower administrative efficiency, so official utility must be restrained for solving the problem of lower administrative efficiency. The current restrictions on official utility play a limited role on solving this problem, so a new effective restriction which consists of developing social organization to achieve social self-governance, coordination and service, and to control the overscale government may be a way to solve the problem of govern ment's lowefficiency.