According to the large development and utilization of wind energy, the penetration of wind power will be gradually increased in the future. But the high wind power penetration will make effects on the safety and stable operation of the system, especially reflected in terms of frequency. Combining research status at home and abroad, this paper analyzes the impact of large scale wind power on the system frequency, introduces the frequency regulation technologies under high wind power penetration system from its own frequency control technology (virtual inertia control, over-speed control and pitch angle control) and the energy storage, Each frequency control methods are analyzed, and then these methods applicable scope, the advantages and disadvantages of each control strategy is summarized. Finally, this paper prospects the future research direction of wind power in system frequency modulation and the foreground of energy storage technology in power system.