The utility model discloses an electric vehicle collision electric safety data acquisition system. The device comprises an acquisition and measurement module and an operation module used for receivinga starting signal of a starter so as to control the acquisition and measurement module to carry out measurement, wherein the acquisition and measurement module comprises a measurement circuit, threeinput ends of the measurement circuit are respectively connected with a high-voltage bus positive electrode V + end, a chassis electric platform and a high-voltage bus negative electrode V-end of an electric vehicle to be measured, and five output ends of the measurement circuit respectively output five signals V + ', V-', 'and'; one input end of the lower computer main controller in the operationmodule is also connected with a starter for controlling the data acquisition system to start working; the remote control module is wirelessly connected with the serial port to WIFI chip; the remote control module comprises an upper computer; voltage measurement, electric energy measurement and insulation resistance measurement are integrated, and different measurement modes can be selected according to the condition of a test vehicle.