SIM (Subscriber Identity Module) card service processing system based on WeChat applet

The invention discloses an SIM (Subscriber Identity Module) card service processing system based on a WeChat applet, which comprises an SIM service server, intelligent equipment and an SIM card read-write terminal, wherein the SIM service server is used for providing service logic information; the intelligent equipment is used for providing a WeChat applet operating environment; the SIM card read-write terminal is used for reading/writing SIM card information; a user operation interface is generated based on the WeChat applet, is connected with the SIM service server by a JSSDK interface, and is connected with the SIM card read-write terminal by a BLE interface; and a service selection operation is acquired by the user operation interface and is uploaded to the SIM service server, the SIM service server feeds back the service logic information based on the service selection operation, the service logic information is transmitted to the SIM card read-write terminal, and the service logic information is written