《建设工程施工合同》合同履行时间长、履行环节多、合同标的大,容易产生合同纠纷;在两方合同主体之中,承包人对于发包人来说往往处于弱势地位,需要依据法律和合同约定维护承包人的合同权利。在承包人的多项合同权利中,主张、索要工程价款是承包人的最重要的合同权利。 Contracts arise between contracts of contract of construction contract and long time of fulfillment, with many links of fulfillment and big contracts, and contractors are often in a weak position for the contractor, which needs to be based on the law and contract Maintain contractor’s contractual rights. Among the many contractual rights of the contractors, the claim that the project price is the most important contractual right of the contractor.