The invention discloses a multifunctional drilling facility. The multifunctional drilling facility comprises a base, supporting legs, a transmission device, a fixing device, a supporting rod, a guidecolumn, a guide sleeve, a sliding rod, a motor, a dust suction machine, a dust suction pipe, a suction head and first driving rods. The supporting legs are arranged on the two sides of the bottom endof the base, the transmission device is arranged in the center of the bottom end of the base, and the fixing device is arranged in the center of the upper end of the base. The supporting rod is arranged on the right side of the upper end of the base, the guide column is arranged on the left side of the upper end of the base, and the guide sleeve is arranged on the guide column. The first driving rods are arranged at the middle-lower end of the guide column and the supporting rod, and the two first driving rods are corresponding in position. The sliding rod is arranged on the right side of theguide sleeve, the motor is arranged on the sliding rod, and a drilling shaft is arranged at the bottom end of the motor. The dust suction machine is arranged at the upper end of the motor, the dust suction pipe is arranged on the dust suction machine and arranged along the motor, and the suction head is arranged at the tail end of the dust suction pipe and aligns to the drilling shaft.