The invention relates to a multifunctional comprehensive testing machine for a luggage lock. The multifunctional comprehensive testing machine includes a testing machine table and a control unit, wherein a luggage lock fixing clamp, a push button and zipper hook piece testing mechanism, an elastic zipper sheet testing mechanism and a number-changing key testing mechanism are installed on a working table top of the testing machine table; and the control unit includes a Programmable Logic Controller (PLC) arranged in the testing machine table, a touch display screen and a start-stop switch, the touch display screen and the start-stop switch being installed on the side of the machine table, and an alarm lamp being arranged on the side of the machine table.