Folding chair

The technical scheme of the utility model is realized by the mode as follows: a folding chair comprises a chair frame and a chair surface and is characterized in that the round turnover chair surface is in gap match with the inside, close to the arc top, of the inversed U-shaped chair frame; a pin shaft is respectively fixed at each of the upper one third position and the lower one third position of the horizontal central line of the two sides of the chair surface; a chute is embedded in each of the inner walls of two sides of the chair frame by corresponding to the pin shafts at the two sides of the chair surface; the pin shafts above two sides of the chair surface are glidingly inserted into the chutes at two sides of the chair frame; a U-shaped support leg slightly shorter than the bottom end of the chair frame is downwards rotationally mounted on the pin shafts, close to the inner walls of two sides of the chair frame, below two sides of the chair surface in a matching mode; a pair of connecting shafts ar