Testing device used after chip packaging

The utility model relates to the technical field of chip processing, and discloses a testing device used after chip packaging, which comprises an operation table, supporting legs are fixedly arranged on the periphery of the bottom end of the operation table, a fixed seat is fixedly arranged at the top end of the operation table, and a positioning plate is fixedly arranged at the top end of the operation table and positioned on one side of the fixed seat. A chip detection device is arranged above the fixed seat in the positioning plate, a test board is arranged at the top end of the fixed seat, the position of a to-be-tested chip can be effectively fixed through a driving structure and a guiding structure, the chip is prevented from shifting during testing, the output end of a driving motor drives a worm to rotate, and the detection accuracy is improved. The worm drives the worm wheel meshed with the worm to rotate together, the worm wheel enables the rotating rod and the guide disc to rotate, at the moment, t