The invention discloses an electric-toy electrical property testing device. Side bumpers are arranged on the left lateral side, the right lateral side and the rear respectively; an electrical property testing box is installed on the right side of a bottom plate, a tool with adjustable temperature testing points is installed on the left side of the bottom plate, a bar code reader is installed on the bottom plate, a left rib plate and a right rib plate are installed on the left side and the right side of a temperature tool bottom plate respectively, a left air cylinder and a right air cylinder are fixed to the left rib plate and the right rib plate respectively, a rod head of the left air cylinder and a rod head of the right air cylinder are oppositely arranged, a left buffer piece and a right buffer piece are arranged on the rod head of the left air cylinder and the rod head of the right air cylinder respectively, a front temperature hole plate and a right temperature hole plate are installed on the front side and the rear side of the temperature tool bottom plate respectively, round holes are evenly formed in the front temperature hole plate and the right temperature hole plate respectively, temperature pens are sleeved with the round holes respectively, and a temperature thermocouple is connected with a temperature transmitter. According to the electric-toy electrical property testing device, items, like an electric toy reduced test, a low-power-point test, a power test and a temperature rise test, which must be tested are integrated, a PLC is adopted for testing and control, and therefore errors caused by manual operation are reduced, testing can be more conveniently carried out, and time is saved; due to the adoption of an electronic load, the test precision is higher.