Analysis and improvement of motor technology and examples of China motor driving system of electric energy consumption up to 2/3 of the total, the 90% motor is AC asynchronous motor, the fan and pump motor power consumption accounted for about 35% of the total capacity of about 150 million kilowatts, motor drag, rolling mill, mine hoist, mill transportation machinery, machine tools and other production equipment motor capacity of about 300 million kilowatts, electricity consumption accounted for about 30% of the total. Variable fan and pump load reached about 70% of the total installed capacity of nearly 100 million kilowatts, the annual power consumption of about 300 billion kwh, which is by the gate or valve to regulate the flow, to roughly meet the load need, the average waste electric power more than 20% years, up to 200-300 billion yuan. Obviously, the motor drive system has great potential for energy saving transformation, and the implementation of this energy-saving transformation will play an important role in China's economic growth and environmental protection.