A device for stooping car headrests is provided. The device includes a housing wherein a stay of a car headrest is pivotably coupled thereto, a main spring installed in the housing to bias the stay and the headrest in the forward direction, an arresting member pivotably and resiliently fixed to the housing for releasably holding the stay and a check member having a release means and pivotably and resiliently coupled to the arresting member for controlling movement of the arresting member.