The invention discloses an efficient wall drilling device for a construction site. The efficient wall drilling device for the construction site comprises a bottom plate, a first mounting plate, a shearing fork type lifting mechanism, a second mounting plate, a first motor, an incomplete gear, a rectangular frame, a suction nozzle, a dust collector, a second motor, a drilling rod, a threaded rod, arotating rod, a second rack, a gear and a third motor, wherein the efficient wall drilling device for the construction site is provided with the shearing fork type lifting mechanism; holes at different heights can be drilled; the adaptability is high; the device is provided with the first motor, the incomplete gear and the rectangular frame; a drill rod is driven to move in the left-right direction by cooperate for drilling; repeated churn drilling is implemented; the depth and quality of drilled holes can be ensured; the drilling effect is improved; the device is provided with the threaded rod and the rotating rod, and the drilling depth can be adjusted; the device is provided with the third motor, the gear and the second rack, by cooperate, a secondary movement device is not required, holes can be drilled directly in the longitudinal direction, and the device is large in drilling range, convenient and rapid, and high in working efficiency.