A magnetic unlocking device and a magnetic unlocking structure of a magnetic encoding key. The magnetic unlocking structure includes a lock core device and a magnetic unlocking device. The lock core device includes a lock core casing, a lock knob which is provided in the internal cavity of the lock core casing, a lock care front end cover and a lock core rear end cover that are located at both ends of the lock core casing. The internal wall of the lock core casing is provided with a monad longitudinal moving groove and a monad horizontal rotating groove. The lock knob is provided with an unlocking hole. The external wall of the lock knob is provided with a monad longitudinal slide-way. The monad longitudinal slide-way and the monad longitudinal moving groove correspond to each other and form a monad moving cavity.

A key having a gripping portion, the key is left protruding so that torque can be applied by the key user. The gripping portion includes a gripping portion structure. The gripping portion structure further includes an electronic device having a plug connectable to a plug receptacle of electronic appliance. The electronic device integrated in the gripping portion structure. Along at least one side of the gripping portion structure disposed an elongated slot which is wide enough to be used as a key ring receptacle where the key ring, can pass through. The key gripping portion have a freedom of movement for the key user to move the key around the key ring and also a freedom of movement to cross the key ring to either direction, inwardly or outwardly for enabling comfortable access of the plug of the electronic device to be connected to the plug receptacle of electronic appliance.

A key having a gripping portion, the key is left protruding so that torque can be applied by the key user. The gripping portion includes a gripping portion structure. The gripping portion structure further includes an electronic device having a plug connectable to a plug receptacle of electronic appliance. The electronic device integrated in the gripping portion structure. Along at least one side of the gripping portion structure disposed an elongated slot which is wide enough to be used as a key ring receptacle where the key ring, can pass through. The key gripping portion have a freedom of movement for the key user to move the key around the key ring and also a freedom of movement to cross the key ring to either direction, inwardly or outwardly for enabling comfortable access of the plug of the electronic device to be connected to the plug receptacle of electronic appliance.