This cap compressor machinery is particulary designed to produce various kinds of medicine, cosmetic and beverage bottle caps. The heated materials are extruded from extruder, cutted by segregation plate through screw driving and shared to each cavity equably, then molded to be caps by forming system. The machine is controlled by PLC, including frequency control system, hydraulic system, temperature control system and cooling system. The operation system is easy and automatic with man-machine conversation. As same production capacity, its cost is much lower than produced caps form injection machine, It perfects products with this technology, since there is no gate on cap or now wastes for hot runner.