The utility model provides an electronic lock control circuit and electronic lock and intelligent doorbell system thereof, the electronic lock control circuit includes: entry control interface, unlocking module and control module are failed to the electronic lock, control module is connected to through unlocking module the entry control interface is failed to the electronic lock, the defeated entry control interface of electronic lock is connected with electronic lock, wherein, unlocking module include with the level shifting circuit that control module is connected. This example has realized the electronic lock that long -range high level trigger opened the door through the electronic lock control circuit, and furtherly can also pass through electronic lock and intelligent doorbell system realize the long -range function of unblanking, realize the long -range hardware basis of unblanking to provide for mobile intelligent Terminal such as cell -phones, can realize long -range opening the door for the kinsfolk by anytime and anywhere, this example has effectively been avoided going out leaving behind the awkward situation of key, has extended intelligence doorbell system's function has improved its humanized design degree.