Automobile seat sliding rail and automobile seat

The invention discloses an automobile seat sliding rail and an automobile seat. The automobile seat sliding rail comprises an upper sliding rail body, a lower sliding rail body, a gearbox and a lead screw. The gearbox is fixed to the upper sliding rail, the lead screw is fixed to the lower sliding rail in the front-back direction, and the gearbox is in transmission connection with the lead screw. A first elastic sleeve arranged on the lead screw in a sleeving mode is arranged between the upper sliding rail and the lower sliding rail or the front end of the lead screw, and a second elastic sleeve arranged on the lead screw in a sleeving mode is arranged between the upper sliding rail and the rear end of the lower sliding rail or the rear end of the lead screw. The sliding rail not only is simple in structure, reliable in transmission and stable in performance, but also can effectively protect the lead screw, so that the seat adjusting function and comfort are guaranteed. 本发明公开了一种汽车座椅滑轨及汽车座椅，所述汽车座椅滑轨包括上滑轨、下滑轨、齿