The invention discloses a screw type adjustable garlic pressing device. The screw type adjustable garlic pressing device comprises a material squeezing barrel, lower fixing plates, a guiding rod, a pressure adjusting frame, pressure adjusting bolts, a telescopic rod, a pressure spring and a pressure ball. The lower fixing plates arranged on the two sides of the material squeezing barrel respectively and connected with an upper pressing plate through the adjusting bolts. A screw is arranged in the middle of the upper pressing plate. A rotating rod is arranged on the upper portion of the screw. The pressure adjusting frame is arranged on the upper portion of a discharging port. The adjusting bolts are installed on the pressure adjusting frame in cooperation through threads. The pressure adjusting bolts and the telescopic rod are installed in cooperation. The pressure ball is arranged at the right end of the telescopic rod. The pressure spring is arranged between the pressure ball and the corresponding pressure adjusting bolt. Garlic is squeezed into paste through squeezing the threads, meanwhile adjustment can be performed as required, the garlic is crushed to different extents, more labor is saved, and elder people and children can easily operate the screw type adjustable garlic pressing device.