The utility model relates to an adjustable motor multi-hole buckle cover drilling machine. The drill comprises a rack, a shaft seat and a drill rod, the shaft seat is hoisted below the rack, and a motor output shaft is coaxially arranged in the shaft seat; drill bit rods, each drill bit rod is coaxially sleeved with a shaft sleeve; the top of the shaft sleeve is fixed with a motor output shaft; the top end of each drill bit rod is connected with a motor output shaft in the shaft seat; a protective cover is radially mounted at the lower part of the shaft seat; a plurality of slidable horizontalframes are installed on the side wall of the protective cover at intervals in the radial direction. A sliding groove is formed in the middle of each horizontal frame, a positioning pin is downwards installed at the position, corresponding to the sliding groove, of the upper end face of the protective cover, the positioning pins are meshed and locked with the sliding grooves, a ball bearing is installed at the inner end of each horizontal frame, and the ball bearings and the drill bit rods are arranged in a one-to-one correspondence mode and coaxially sleeved.