The invention discloses a grain delivering and warehousing access control system and method. The system comprises an access control platform, a management terminal which is connected with the access control platform, a system server, an IC card (Intelligent Circuit Card) sender and receiver, as well as an identity card recognizer, a fingerprint recognizer, a face recognizer, a voice column, an LED (Light-Emitting Diode) display screen, a number plate recognition device and a gateway which are connected with the management terminal, a handheld terminal machine which is connected with the access control platform through a wireless AP (Adapter), and a plurality of cameras which are connected with the access control platform through a hard disk video recorder. The system is a uniform system which is integrated with functions of customer registration, video monitoring, vehicle entering or exiting promotion, number plate recognition, blacklist management, temporary number plate distribution and gateway control. The system is capable of uniformly managing customer information and metering data; meanwhile, the goal of improving the efficiency, avoiding the cheating, standardizing a process and optimizing the management can be achieved.