TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The semiconductor quantum dot is the quantum dot of the monomer in the fourth main group, quantum dot of the alloy of the monomer in the fourth main group, compound semiconductor quantum dot in the third main group and fifth main group, or compound semiconductor quantum dot in the second subgroup and sixth subgroup. The quantum dot of the monomer in the fourth main group is the silicon quantum dot. The compound semiconductor quantum dot in the third main group and fifth main group is the indium phosphide quantum dot. The compound semiconductor quantum dot in the second subgroup and sixth subgroup is the chromium selenide quantum dot. The size of the semiconductor quantum dot is 0.5-50 nm.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The modifier contains unsaturated carbon-carbon bond having the hydrophilic group connected with the semiconductor quantum dot, or unsaturated carbon-carbon bond having the oleophilic group connected with the semiconductor quantum dot. The solvent is non-polar solvent. The modifier is any one or more of undecylenic acid acrylic acid, allyl alcohol and allylamine; and the solvent is ethanol; or the modifier is any one or more of styrene, linderic acid and octadecylene; and the solvent is n-heptane. The adjuvant is antioxidant, crosslinker and thickener.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The ethylene-vinyl acetate copolymer contains 28-35% vinyl acetate. The ethylene-vinyl acetate adhesive film containing quantum dot comprises 0.01-20 wt.% semiconductor quantum dot, 65-99.83 wt.% ethylene-vinyl acetate copolymer, 0.05-5 wt.% antioxidant, 0.1-5 wt.% crosslinker and 0.01-5 wt.% thickener. The adhesive film containing six quantum dot is 0.20-2 mm thick. Preferred Method: The modifying condition comprises reacting the semiconductor quantum dot and modifier in the presence of free oxygen at 70-90 degrees C or reacting the semiconductor quantum dot in the presence of free oxygen by the radiation of the UV lamp.