The invention discloses an adjustable glue filling pump, which comprises a glue inlet, a first sealing steel ball, a first steel ball top block, a second sealing steel ball, a second steel ball top block, a glue outlet, a glue channel, a vacuum chamber, and an isolation film sheet, mounting bracket, adjustable cylinder, corrosion-resistant needle tube, sealed piston rod, bottom plate, partition, first glue filling mechanism and second glue filling mechanism, the upper surface of the bottom plate is provided with a partition, and the partition A first glue filling mechanism and a second glue filling mechanism are respectively fixed on the surfaces of both sides, and a glue channel is provided on the first glue filling mechanism and the second glue filling mechanism, and a glue inlet and a glue inlet are arranged at one end of the glue channel. outlet, the glue inlet communicates with the glue bucket, and the glue outlet communicates with the glue receiving device. The invention has the advantages of using an adjustable pneumatic needle tube glue filling pump for glue filling, which can realize the adjustment of the filling volume, fast and accurate filling, and the filling channel is not easy to be blocked, and the equipment maintenance is simple.