Abstract: At present,there are no power transformation practical training teaching condition construction standards of railway power supply technology specialty in higher vocational colleges, and there are no standards of each college to follow when planning and constructing its own specialty practical training rooms.It takes the power transformation practical training teaching conditions construction standards of railway power supply technology specialty as the research object. Investigation and research are carried out around the main elements such as application scope, place, equipment, management and implementation of power transformation practical training teaching condition and standards. According to specialty teaching standards and talent training needs, it formulates the power transformation practical training teaching condition construction standard of railway power supply technology specialty.