Outdoor aluminum alloy leisure chair

The utility model relates to the technical field of leisure chairs and discloses an outdoor aluminum alloy leisure chair which comprises a chair cushion, two frame-shaped supports are installed at the bottom of the chair cushion, and auxiliary assemblies are installed on the outer surfaces of the chair cushion and the frame-shaped supports. The auxiliary assembly comprises a mounting plate, a sliding block, an extension pad, a movable groove, a supporting plate, a rotating rod, a chair back pad, a limiting gear, a screw rod and a limiting rack. According to the outdoor aluminum alloy leisure chair, by arranging the sliding blocks and the movable grooves, the position of the extension cushion can be adjusted according to the requirements of a user, the extension cushion can be conveniently stored in the leisure chair during transportation and part of time, and the situation that transportation of the user and movement of legs are interfered is avoided; the chair back cushion can be close to the top of the chai