The semi-automatic filling packing machine can complete metering, filling, and so on. Due to the unique design, as well as more suitable for packing those prone to flow, or least liquid powder materials such as the milk powder, monosodium glutamate, solid drink, sugar, glucose, coffee, pesticide, feedstuff, solid medicine, powder additive, dyestuff and so on. Under the command of infrared optical material. Not limited to packaging, packaging weight can change simply by pressing the button (within the scope of annex). Most suitable for materials and packaging weight specifications change frequently used; using high-speed response, high precision, high speed, high torque, long life and other advantages;-proportion designed by weighing feedback track, overcame the material disadvantage of weight change as a change in pattern of Chinese screen display, simple and intuitive. Packaging weight steptess adjustable at any time, feel free to transfer, convenient operation; product formula adjustment parameters can be stored and prepared for use after a maximum storage of 10 recipes; replacement spiral annex, can adapt to the ultra-fine powder to large grain and other materials.