The invention relates to the mobile communication field, in particular to a testing system for a mobile terminal and a testing method for the mobile terminal. The testing system for the mobile terminal comprises a testing machine frame, a testing adapter, a test box, a programmable power supply, and a PC (personal computer) which controls the work of the whole system and displays the testing results, wherein the test box is arranged on the testing machine frame and provided with a manipulator module, a pneumatic control model, a vision system module, an acoustic system module, a master control board and an interface back plate, wherein the manipulator module and the pneumatic control module are electrically connected with the master control board, respectively; the vision system module, the acoustic system module and the testing adapter are connected with the master control board through the interface back plate respectively; the testing adapter can slidingly pass in and out of the test box; and the programmable power supply and the PC are electrically connected with the master control board through the interface back plate respectively. The testing system provided by the invention is stable and reliable, has high integration degree, and can automatically carry out the tests on all of the integrated functions of the mobile terminal.