The invention provides a high-speed precise double servo feed drilling power head, and belongs to the technical field of drilling tools. The power head comprises a transmission case fixing base, a transmission case, a spline shaft, a spline shaft driving mechanism, a workpiece drilling mechanism and a servo feed control mechanism, and is characterized in that the spline shaft driving mechanism comprises a first servo motor, a large synchronous pulley, a small synchronous pulley and a transmission belt; the servo feed control mechanism comprises a second servo motor, a coupler, a ball screw, a lead screw nut, a sliding block, a stroke contactor, a driver adjustment plate, a first stroke limiting sensor and a second stroke limiting sensor; guide rails are arranged on wallboards of the transmission case fixing base, and an idler wheel is installed on the side face of the sliding block and is located between the two guide rails. Under the circumstance that no mechanical part is replaced, the rotating speed of a main shaft can be adjusted at will so that the requirement that different hole diameters correspond to different cutting speeds can be met; efficiency is high, the size is small, and the requirements for high-speed and high-precision machining of small hole diameters can be met; it is guaranteed that the main shaft has good straightness and good rigidity; the automated control effect is good.