Wind power generation as one of the important means of new energy power generation,the scale is getting larger and larger.Due to the randomness and volatility of wind power generation,it brings certain risks to the safe and stable operation of the power grid.The requirement of improving the frequency and voltage control ability of the power grid is getting higher and higher.Therefore,the active and reactive power in the wind field plays a key role in the frequency control and voltage regulation of the local power grid through the power automatic control system.Based on the introduction of the power control method of wind farm,combined with the actual production situation,the active power control and reactive power control strategies of wind field are summarized.