Abstract: A door checker device for use in automobiles which includes a fixing member attached to one side of the car body, a checker arm having one end hinge-coupled to the fixing member to be rotated, wherein the checker arm is disposed between a door and the car body, and a door checker attached to one side of the door side and engaged with the checker arm to slid along the longitudinal direction of the checker arm, wherein the door checker allows the door to maintain a stationary state at a predetermined position in the swing trajectory of the door.