Roller type is adopted for four side sealing, it is used in the fields of pharmacy industry, food industry and cosmetic. More beautiful than pillow type slice packing machine and have fine tightness. It improved the moisture proof and photophobic capabilities of aluminum plastic after packing. Machine adopts a PLC programmable controller and menus type vision on man machine interface. An imported frequency changer is adopted for stepless speed adjustment, intelligent temperature controller regulates the temperature at the sealing. Low noise, adjustment for the pouch length without changing mould.