The invention relates to an electric automobile charging gun head electronic lock control method and device and an electronic lock device. When a system power source is powered off or a vehicle control unit has no active out related to electronic lock unfastening, a control module outputs an electronic lock unfastening control signal. Therefore, when the system power source is powered off or the vehicle control unit has no active out related to electronic lock unfastening, an electronic lock can still be controlled, the electronic lock can be controlled to be unfastened no matter an electric automobile is completely charged or not at the moment, it is guaranteed that the electric automobile is disconnected from a power grid, a charging gun head can be smoothly pulled out of the electric automobile, a user can continuously use the electric automobile, and user experience is improved.