AGV as an important equipment in the field of automated logistics, its environment sensing ability is crucial to achieve safe and efficient movement. Sensor technology plays a key role in AGV carts, which can sense and obtain environmental information in real time, and provide support for navigation, obstacle avoidance and path planning, etc. The application of AGV cart sensor technology in environmental perception is of great significance, and presents the development trend of precise positioning, real-time monitoring and data support in many directions. In the future, with the continuous progress of science and technology, AGV cart sensor technology will further improve the accuracy, efficiency and adaptability of environmental perception, bringing more possibilities for logistics automation and intelligence.