The working characteristics and application prospect of the jack-up work support platform is introduced. Based on the method of environmental adaptability assessment, the requirements of improving safety, effectiveness, economy can be met for selection of jack-up work support platform operating strategy. Based on the Visual Basic language and taken SACS as the computing core, the rapid assessment on the environmental adaptability of the jack-up work support platform is realized by the software. The software developed based on environment adaptability can promote the service ability of the jack-up work support platform.