The invention discloses an intelligent door lock capable of being locked outside a door and double locked inside the door conveniently. The intelligent door lock comprises a lock body, a clutch, a main transmission mechanism, a main locking dog, a control module, a first sensor, a second sensor and a driving mechanism, the clutch, the main transmission mechanism, the main locking dog, the control module, the first sensor, the second sensor and the driving mechanism are all arranged in the lock body, a handle inside the door is arranged on the inner side of the lock body, a handle outside the door is arranged on the outer side of the lock body, the handle inside the door is in transmission connection with the main locking dog through the main transmission mechanism, and the handle outside the door is in transmission connection with the main locking dog through the clutch and the main transmission mechanism in sequence. The first sensor is arranged on one side of the main locking dog, the second sensor is arranged on the side, arranged at the mounting position of the lock body, of the handle outside the door, and the driving mechanism, the first sensor and the second sensor are respectively and electrically connected with the control module. The intelligent door lock can be locked outside the door and double locked inside the door easily and conveniently.