This machine adopts sealing and cutting knife which is specially made of antisticking and temperature resistant material. With thin sealing line, no coking, no smoking and no pollution, automatic feeding. Contracted film drawing, the bag-making length is controlled through combining the imported photoelectric eye and timer steadily and accurately and can be regulated arbitrarily. On replacing the package, it is easy to adjust and unnecessary to replace the mould and bag-maker, and the temperature can be regulated and set arbitrarily in addition, this machine conveying device and locating thermal contracting device, and none of the products of the same kind at home has these two functions, this machine has been widely used for sealing, cutting and packing medicine, food, drink, toothpaste, cosmetics, electronic product and toy, etc.