1.Pneumatic double spindle compound machine tool is suitable for drilling and tapping in quantity productions at one time. 2.Both the left and right workbench adopt cylinder for minimal vibration. 3.Clamp system uses cylinder to hold the mould for fast fixing. 4.Slider system adopts guide way ultrasonic frequency quenching and lubrication system for better capability. 5.Manually oil injector, manually feeding lubricating oil before and after the processing can maintain the drilling and tapping machine in good function. 6.Tapping main shaft performs self-acting feed by leading screw so as to realize tapping and ensure its feeding stability.