The high-voltage cable mainly plays the role of energy transmission and ensuring the safety and reliability of the energy transmission process between the power battery and the high-voltage electrical appliance. According to the using requirements of the high-voltage electrical system of the vehicle for the high-voltage wiring harness, the high-voltage wiring harness should meet the using performance of high voltage and large current, and the requirements and specifications of anti-electromagnetic interference, antivibration, wear-resisting, inflaming retarding and reliable connection.