The invention relates to an inching type air pressure glue dripping machine. A main body is a housing; a gas exhaust mechanism and a glue discharge mechanism are mounted in the housing; the gas exhaust mechanism comprises a gas guide sleeve which is fixed with a sealed housing; one end part of the gas guide sleeve is connected to a connecting nozzle on the sealed housing; the other end of the gas guide sleeve is equipped with a slide sleeve; a gas exhaust rod is connected in the slide sleeve in a sliding mode; a movable sleeve sleeves the outer wall of the gas guide sleeve; a plurality of gas inlets are formed in the side wall of the gas exhaust rod in a form of an array; the other end of the gas exhaust rod is connected with a gas exhaust nozzle; the glue discharge mechanism comprises a gas storage block, a gas discharge cavity is arranged on the middle part of the gas storage block; the bottom of the glue discharge cavity is connected with a glue discharge tube; the glue discharge tube is connected onto the glue discharge nozzle; a gas inlet nozzle is arranged on the top of the gas discharge cavity; a glue inlet is formed in the side wall of the glue discharge cavity; the glue storage block is in sleeve connection with a glue discharge sleeve; a glue discharge hole is formed in the glue discharge sleeve; the outer wall of the glue discharge sleeve is connected with a glue injection nozzle; the glue discharge sleeve is fixedly connected with the movable sleeve through a connecting rod; and a glue inlet nozzle is arranged on the housing.