ware. The rapid sealing of its achievement is mainly determined by the upper and lower feed mechanism consists of three main cylinder - linkage mechanism system , three double sheet in promoting the formation of the power system, in full bloom the lateral plate of the upper and lower feeding mechanism and on the positioning device and precision mold base stud sealing mechanism.Р The Sealing machine transits the cylinder to achieve the movement, heating, cooling and clamping of the box. Through the sealing machine, you can achieve the liberation of human and it can better guarantee the safety of the product and improve the quality of packaging and elevate product efficiency, then earning more profit.Р Key words: Sealing machine; packaging machinery;function; pneumatic system; control system