Abstract: In the government procurement bidding process, price has been playing a very important role. Low price points are more likely to win the bid, and enable the government to save a lot of financial resources in its procurement, but also produce a lot of problems, such as the successful bidder who offered a low price choose to abandon the bid and cooperate with the 2nd winner, low price protected high price , low price access and high price kidnapping. The paper describes the causes of these problems and gives solution to these problems.