The reasonability or drilling equipments selection is critical to the overall performance of the platforms. In this article, Fuzzy analytic hierarchy process was applied to select drilling equipments of deepwater semi-submersible platforms. In the case of drilling pump, selection evaluation model was established by considering technical factors and economic factors. The weight of each factor was calculated out by using FAHP and AHP respectively,then optional schemes were sorted out by integrated factor.The result show that the fuzzy analytic hierarchy process can solve the problem of drilling equipments selection effectively. The applicable scope of FAHP and AHP was summarized by comparing the results of two methods. In this way, we can lay a foundation for policymakers to use these analysis methods.