The invention relates to aluminum alloy drilling equipment with an operator protecting function. The equipment comprises a bracket mechanism, a punching mechanism, a transmission mechanism, a PLC anda detecting mechanism; the transmission mechanism comprises a first motor, a driving wheel, a transmission belt and a driven wheel; the punching mechanism comprises a first cylinder, a walking block,a second motor, a speed reducer and a drill bit; a light emitting module comprises an illuminating lamp, a baffle plate and a photosensitive sensor; and a light reflecting module comprises a connecting block, a second cylinder and a light reflecting mirror. The aluminum alloy drilling equipment with the operator protecting function is ingenious in structural design and high in practicability; whenbodies of operators are in this area, the bodies can be beaten by a beating block to remind the operators to leave; in the drilling process, the light reflecting mirror is displaced above an aluminumalloy needing to be machined; the detecting mechanism detects whether a barrier is between the walking block and the light reflecting mirror or not; and if the barrier is between the walking block and the light reflecting mirror, the PLC controls the drilling mechanism to ascend, and the operators are prevented from being injuried by the work.