The utility model relates to the technical field of electric vehicle detection. The utility model particularly relates to an electric vehicle detection system. The system comprises a temperature detection module for detecting the temperature of a battery, the voltage detection module is used for detecting the voltage of the battery; the processor module is respectively connected with the temperature detection module and the voltage detection module; wherein the processor module is connected with the temperature detection module, the first wireless transmission module is connected with the processor module, the user terminal is connected with the first wireless transmission module, and the processor module receives and processes temperature data detected by the temperature detection moduleand voltage data detected by the voltage detection module and controls the first wireless transmission module to send the processed data to the user terminal. A temperature detection module and a voltage detection module are arranged to detect the temperature and the voltage of a battery, and a processor module processes and controls a first wireless transmission module to send processed data to auser terminal; the temperature and the voltage of the battery of the electric vehicle are detected and monitored in real time, safety accidents are avoided, and the service life of the battery and the service life of the electric vehicle are prolonged.