PURPOSE: To provide an on-vehicle cigarette multistay using an insert port to be attached to a car cigarette lighter insert port.

CONSTITUTION: An on-vehicle cigarette multistay in use of a cigarette lighter insert port consists of a plug-in type insertional tube 2 to be inserted into an insert port A of a car cigarette lighter, a flexible tube body 1 being combinedly installed in this plug-in inserting tube 2 and made up of installing a flexible steel sheet consisting of strips, tubes and so on inside, and a base attaching car implements such as an ashtray B, a drink holder, a pan, a lamp bulb or the like to be attached tight to the side of a free end of this flexible tube body 1. With this constitution, equipment, materials and space in the car are effectively and usefully utilized and thereby the base, namely, those of ashtray, drink holder, pan and other interior trimmings are installable in the car. In this connection, these interior trimmings are installable even in any of angles, positions and interspaces. Moreover, since it has the flexible steel sheet, these interior trimmings are holdable in a still standing state being stable and useful.