With the continuous improvement of consuming capability and modern industrial technologies, the hair dryer market has entered the stage of developing green-oriented, efficient and multi-functional products to meet the growing demands for better hair dryers. Traditional hair dryers are driven by AC motors with limited service life and high power consumption, which brings on inconvenience for maintenance and fails to meet requirements of the new generation of consumers. By contrast, high speed hair dryers have elaborate appearance and well-designed with lower noise and less drying time with minimal heat damage, which makes them popular and to be the tendency of upgrade and iteration.