Aiming at achieving the maximum profit,the companies will always take unequal bidding as their bidding strategy during tendering.An optimal strategy for government is put forward by use of static game tendering model with incomplete information from the stand of the government,(what's) more,some policy suggestions are proposed to achieve the winwin for the government and the company.The results of the findings indicate that the optimal strategy of government project tendering is that government should attract qualified companies as many as possible to participate in the tendering of government project,improve the legislation and environment,and establish a mechanism that makes unequal bidding unprofitable,and equal bidding profitable.