MST-cellophane with substance range of 28g-60g/m2 is made by applying a thin layer of nitrocellulose laquer on the surface on the surface of PT-cellophane,which gives the film the important properties of moisture proofness and heat sealability,the barrier function to various gases,the excellent function for printing and laminationg.it is suitable for automatic high-speed packing and can significantly increase packing and decorating material for medicines,foodstuff,tea,cigarettes and tobacco,etc.