Slow release type self-adhesive composition with functions of mildew-resistant and sterilization, and paster prepared by composition thereof

The invention relates to the technical field of pasters, particularly relates to a slow release type self-adhesive composition with functions of mildew-resistant and sterilization, and a paster prepared by the composition. The composition comprises the following raw materials by weight percentage: 20 to 30% of mustard, 15 to 25% of garlic oil, 10 to 20% of grape seed, 10 to 20% of sunflower, 5 to 15% of paprika oleoresin, 2 to 8% of camphor, 2 to 8% of lemongrass and 2 to 8% of essence and flavor. The composition is compressed from two layers of substrates into a one-piece paster, the composition with functions of mildew-resistant and sterilization can be slowly released for a long period from the surface of the substrate layer and circumference, the composition with functions of mildew-resistant and sterilization is taken into air through a sublimation method for killing mildew or generating unbeneficial environment of growing mildew, the mildew-resistant effect can be persisted for half year in a sealed or