S1000D, containing 25 kinds of data modules, is the standard for editing the Interactive Electronic Technical Manual (IETM).To solve the problems of great workload, low efficiency and difficultly in obtaining data, occurred in editing data modules of S1000D, a method for data mapping between MIL-STD-1388-2B and S1000D was proposed.The process of data mapping was established based on multithread, and single data module mapping thread was emphasized.In this thread, fuzzy comprehensive evaluation was applied for ascertaining the data that correlates to the data in data modules of S1000D mostly in supportability analysis record (SAR) database of 1388-2B.The efficiency of editing data modules and the accuracy of the data in S1000D were improved, which may provide a strong material support for the generation of IETM.