Leg rest having distortion preventing function

A leg rest having a distortion preventing function, according to the present disclosure, includes: a fixed bracket fixedly provided at the front of the lower end of a vehicle seat frame; a rotating bracket provided at the front of the fixed bracket so as to be rotatable in a vertical direction; a driving unit connected to the lower surface of the rotating bracket so as to rotate the rotating bracket; a tilting unit respectively supporting both sides of the rotating bracket so as to intermediate between the fixed bracket and the rotating bracket, and tilting the rotating bracket in the longitudinal direction of the fixed bracket; and a link bracket intermediating between the driving unit and the tilting unit so as to prevent horizontal distortion when the rotating bracket rotates.