One-to-many intelligent access control system based on electronic key

The invention discloses a one-to-many intelligent access control system based on an electronic key. The one-to-many intelligent access control system comprises a mobile terminal, the electronic key and multiple electronic lock cylinders, wherein the electronic key is provided with a power module, a Bluetooth module, a processor module and a lock cylinder charging interface, the Bluetooth module is in communication with the mobile terminal, the processor module is connected with the Bluetooth module, the processor module is connected with the power module, the lock cylinder charging interface is connected with the processor module, each electronic lock cylinder is provided with a charging module, a microprocessor module, a password authentication and storage module and a lock body module, the charging module is connected with each microprocessor module, the password authentication and storage modules are connected with the microprocessor modules, and the microprocessor modules are connected with the lock body