The invention discloses an intelligent meter reading centralized control system for a PMI power system and a teaching experiment platform based on the centralized control system. The intelligent meter reading centralized control system for the PMI power system comprises a power system, a collector unit, a centralizer unit, an electricity meter, an analog type electricity meter, a general packet radio service (GPRS) wireless communication module, a carrier communication module, an Ethernet communication module, a liquid crystal display (LCD) screen, a state indicating lamp module and a master station system, and the control system achieves the portable and flexible remote and automatic meter reading function. The intelligent meter reading teaching experiment device for the power system comprises an experiment table body, the intelligent meter reading centralized control system for the PMI power system, an experimental panel screen and a computer. The teaching experiment device is suitable for experimental teaching of correlated curriculums, is used for cultivating the practical skills and abilities of undergraduates and postgraduates majoring in power and can serve as a practice device for an induction training platform of technicians in electricity.