The invention discloses an intelligent digital lock. The intelligent digital lock comprises a lock surface, a lock box, a key, a movable plate, a turnplate, a motor, a battery, a control circuit board and a camera phone circuit board. The key is provided with buttons, a hanging hole and an insertion body. Key teeth are arranged on the insertion body. The control circuit board is composed of a front-side control board body and a back-side control board body. A switch, a red light, a green light, a yellow light, a receiver, an emitter and a horn are arranged on the front-side control board body. The movable plate is provided with a big elliptical hole, a small elliptical hole, a plug and an auxiliary plug. A receiver, an emitter, a horn, an undervoltage indication yellow light, an alarm indication red light, a door opening indication green light and buttons are arranged on the back-side control board body. A handle is connected with a rotary plate. The lock surface is provided with a control panel, the handle, a key hole and a camera. The back side of the lock surface is provided with the back-side control board body, the battery and the camera phone circuit board. The camera phone circuit board is provided with a camera plug, an antenna, a horn and various electronic elements. An emitting circuit board and a horn are arranged in the key.