A chair with a footrest mechanism includes two upright rods, a seat cushion arranged between the two upright rods, and a footrest mechanism. A hanging part is arranged on each of both sides of the seat cushion, and both ends of the hanging part are fixedly connected to the seat cushion. The middle part of the hanging part is fixed to the upper end of the upright rod. The footrest mechanism includes a footrest part, a connecting rod and a pull belt. A first end portion of the connecting rod is fixedly connected to the footrest part, and a second end portion of the connecting rod is fixedly connected to the seat cushion. A first end portion of the pull belt is fixedly connected to the footrest part, and a second end portion of the pull belt is connected to the hanging part.