The outbreak of the epidemic has brought unprecedented challenges to the traditional manufacturing industry. Due to the objective impact of difficult recruitment and high cost, the use of robots to replace manual production has attracted widespread attention. AGV trolley as automatic loading and unloading equipment, will help the manufacturing industry to realize the real sense of unmanned handling, is an important tool of factory modernization and intelligence. Why AGV unmanned carrier can gradually replace manual handling? What are the advantages of it compared with the traditional way of carrying?