Signal transfer device

The utility model discloses a signal transfer device, which leads test work of an automobile electronics system to be convenient, speedy and highly efficient. The technical scheme includes that the signal transfer device comprises a signal transfer box, a plurality of universal interfaces arranged on the surface of the signal transfer box, a plurality of test point port groups disposed on the surface of the signal transfer box, and a plurality of male and female insertion element sets; each test point port group corresponds to one universal interface, and each of test point ports of each test point port group respectively corresponds to each pin on the corresponding universal interface to lead out signals from the corresponding pin; and each male and female insertion element set comprises a male insertion element and a female insertion element, one end of each male insertion element or one end of each female insertion element is connected to the universal interface on the signal transfer device, and the other end of the male insertion element or the other end of the female insertion element is connected to an external device.