The partnering mode is a scientific, high efficient method in project management. Correctly choosing the partners is the key to success. In this article, we use non-structural fuzzy decision method to evaluate proposals. This method is employed in order to solve the problem of multi-target selection. And it helps to compensate the limitations derived from analytic hierarchy process (AHP Method) and multi-elemental value theory. In a comparing process, 15 indexes are evaluated to select the most qualified proposal from 4 contractors. This method, in some extent, provides a reference to the proprietor in the choosing of the chief contractor.