The most direct and most easily felt consequence of environmental pollution is to reduce the quality of the human environment and affect the quality of human life, physical health and production activities. At present, people are paying more and more attention to the harm of environmental pollution to human health on a global scale. Environmental pollution will cause direct damage and impact to the ecosystem, including: air pollution, water pollution, noise pollution, environmental hormone pollution, etc. The environmental performance of the car connector is to detect the working conditions of the plug in a variety of harsh environmental conditions to ensure the stability of the connector.