The invention discloses a long-distance unlocking device. The long-distance unlocking device comprises a pushing mechanism, a rotating mechanism and a popping-up mechanism, wherein the pushing mechanism can be used for pushing the rotating mechanism to rotate; the rotating mechanism is in rotary connection with a device to be unlocked; the rotating mechanism can be fixed with or released from the device to be unlocked in a rotating process; when the rotating mechanism is fixed with the device to be unlocked, the popping-up mechanism is at a compressed state; when the rotating mechanism is released from the device to be unlocked, the popping-up mechanism is popped up and the device to be unlocked is opened. With the adoption of the unlocking device disclosed by the invention, an operator can realize long-distance unlocking of the device to be unlocked through the pushing mechanism; when the rotating mechanism is released from the device to be unlocked and the device to be unlocked is at an unlocked state, the popping-up mechanism recovers to an original state and then is popped up, so that the device to be unlocked is opened; the operator can know that the device to be unlocked is unlocked successfully and the operator can also conveniently unlock the device to be unlocked.