Elastic schoolbag for students

The utility model discloses an elastic school bag for students, which comprises a school bag main body and shoulder straps, a front support frame and a back frame are sequentially arranged in an interlayer on the back surface of the school bag main body, and the middle parts of the front support frame and the back frame are connected through two push-pull tracks which are longitudinally and symmetrically arranged; an inner rail of the push-pull rail is fixedly installed in the middle of the front supporting frame, an outer rail of the push-pull rail is fixedly installed in the middle of the back frame, and elastic limiting devices are arranged between the two longitudinal ends of the outer rail and the back frame respectively. A connecting plate is arranged on the inner rail; the four endsof the left shoulder strap and the right shoulder strap are respectively connected with the four corners of the back frame. According to the elastic schoolbag for the student, the push-pull track isingeniously applied to the