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The invention discloses a folding baby stroller, including a stroller frame, wherein the stroller frame includes an upper push bar and a lower push bar; the upper part of the lower push bar is rotatably connected with the upper push bar; the upper part of the upper push rod is rotatably connected with the lower part of the upper push bar; the upper part of a front bracket is rotatably connected with the lower part of the lower push bar; the upper part of a rear bracket is rotatably connecte with the upper part of the front bracket or the lower part of the lower push bar, and the rear bracket is rotatably connected with an upper connecting bar; the front part of the front connecting bar is rotatably connected with the front bracket; the front part of the rear connecting bar is rotatably connected with the front connecting bar, and the rear part of the rear connecting bar is rotatably connected with the rear bracket; a low sliding sleeve is slidably connected to the rear connecting bar along the length direction of the rear connecting bar; and a lower portion of the upper connecting bar is rotatably connected with the lower sliding sleeve. The folding baby stroller simplifies the folding operation step, is flat after being folded, has very small volume and can stand on its own. The folding baby stroller can be grafted with a seat pocket, and the folding operation and the volume after folding of grafting of the seat pocket are basically not affected. The folding baby stroller has the advantages of simple structure, exquisite conception and convenient operation.