Abstract: Based on the implication and role of a project schedule and the analysis of unsolved problems, the GAHP model is used to determine the weight of evaluation indexes from four administrative levels, and the fuzzy comprehensive evaluation is utilized to evaluate a project. The above mentioned methods are applied to the schedule operation of a concrete project. The calculation result obtained by using the methods is accordance with the real schedule basically, and the reasons for the difference between the two and the factors influencing the project schedule are discussed.