As an equipment inspecting weight of capsule, the machine auto-checks every piece of capsule with fast and high-precision weighing. After automatic filtration according to requirements of medicine weight, it rejects ineligible capsules automatically, separate eligible and ineligible capsules and deliver them to different channels. The machine ensures that each piece of capsule is controlled within the specified range during the whole process of medicine production. In order to achieve stable, reliable and easy operation effects, the equipment adopts micro-weighing sensor system and uses PLC to do high-speed count and control. Its man-machine interface is used to set working parameter and automatically tracks and records relevant parameter. Meantime touch screen displays output information of eligible and ineligible products by auto-statistics. The machine is indispensable inspection equipment for capsule preparation manufacturers in quality assurance system.