Abstract: Bidding in government procurement is an important means of managing social and economical life by the government. To exploit the bidding system to its full and protect the bidder's benefit, an improvement of the legal remedy system should be one of the key issues of the bidding legislation. With the enactment of the Bidding Law of China, however, legislation to protect bidder's rights calls for systematic improvement and learning from foreigh legislation, which is relatively more mature. A complete protest system needs to be set up and bidders' rights need to be more explicit in the implementation regulations. Bidders can protect their rights by means of civil proceedings, administrative proceedings and protects.