A simply configured brake pedal is restricted in regression and pivot thereof in the event of a vehicle collision, thereby preventing or minimizing injury to a driver. The brake pedal structure for preventing injury includes a brake pedal mounting bracket, a blocking piece, a support bracket, and a blocking panel. A blocking piece is installed at a pedal arm of the brake pedal and protrudes out towards the rear of the vehicle. A recession limit means is equipped at a steering column mounting bracket connected to a cowl cross bar to restrict a backward shift of the blocking piece.