Abstract: Roadway support expert system is an intelligent software that judgments and decisions about a variety of complex roadway support issues are given.Based on the engineering geological conditions and specific conditions of production technology of Huozhou Coal Electricity Group, from the roadway support system software's needs, the various functions of the software are achieved. Using Microsoft Visual C++6.0 as a software development environment and at the same time combined with the Microsoft Visual Basic 6.0, AutoCAD and other software Itasca FLAC^2D , the detailed design and function of each module are completed and roadway support expert system (RSES) development of the Huozhou Coal Electricity Group is successfully achieved.WT