An integrated folding foot rest includes a table-board supporting seat, the bottom of which is provided with four break angle bending portions. Each of the break angle bending portions is connected to a leg folding mechanism. The leg folding mechanism includes a pedestal, a rotating seat and a leg. The pedestal is formed by symmetrically splicing a front pedestal and a back pedestal. Lower portions of the front and back pedestals are respectively provided with rotary limiting grooves, and two end portions of the rotary limiting grooves are respectively provided with limiting ends. One side of the rotating seat is provided with a telescopic slideway, the telescopic slideway is internally provided with a T-shaped locking piece, two ends of a limiting portion of the locking piece are correspondingly embedded into the rotary limiting grooves, respectively, and a pressure spring is annularly sleeved on the telescopic portion of the locking piece.