To prevent a doorlock from being unlocked when the door is deformed.

In this doorlock release device, a steering handle 3 and a doorlock structure 20 are connected to each other by a rod 22. The rod 22 is erected and held to be vertically movable and the slide rod 11 is transferred once from the side up to the position right above the rod 22, when starting to operate the steering handle 3 and further, the handle 3 is rotated and then, the slide rod 11 is moved down therefrom and the rod 22 is pushed down. A rod-driving means 50 is provided to retract the slide rod 11 from the transfer scope of the upper end of the rod 22 to the side, when the steering handle 3 is not operated.