After the conceptions of the quality evaluation and quality visaing on water project are introduced, the writers presented that the quality evaluation should be used in quality control of international contractor, referring to the successful experiences with both quality visaing and quality evaluation in internal project. 本文在介绍了质量评定与质量签证的概念之后,提出应比照国内工程的成功经验,使用质量评定手段对国际承包商进行工程质量控制。