The utility model discloses an automatic toe lasting machine for shoes are manufactured, including the organism, the upside at both ends all is provided with the riser around the organism, be connected with magnetic couple formula rodless cylinder between the upper end of two risers, magnetic couple formula rodless cylinder's slip table bottom is connected with and moves down actuating cylinder, on move down actuating cylinder the lower extreme be connected with the diaphragm, the one end downside of diaphragm rotates through slewing mechanism and is connected with the gas claw, the other end downside of diaphragm rotates and is connected with adjust the cylinder, adjust the cylinder's lower extreme rotates with the lateral wall of gas claw to be connected, the fixed block has been grabbed to the gas claw, which comprises a bod, the lower extreme of fixed block is connected with the shoe tree, be equipped with the photoelectric switch who is used for detecting the shoe tree position on the organism, photoelectric switch's signal output part and the signal input part electric connection who sets up PLC controller on the organism. The utility model discloses not only guarantee the machining precision of vamp, still reduced workman's work load, reduced enterprise's production cost.