The invention relates to the technical field of wind power generation, in particular to an anti-icing wind power generator blade and a preparation process thereof, in which a PVC heat-shrinkable film is provided on the wind power generator blade to prevent the wind power generator blade from being covered with ice under low-temperature weather conditions , including PVC heat-shrinkable film base material, the surface of the PVC heat-shrinkable film base material is subjected to CF 4 After etching, it becomes a rough surface with multiple grooves and pits, and a PTFE coating is deposited on the rough surface. The grooves, pits and PTFE coating form a tight cross-linked network micro-nano surface structure, which does not require The shutdown of the wind turbine does not affect the power generation of the wind turbine, saves manpower and material resources, does not need to be energized and heated, saves a lot of electric energy, does not affect the normal operation of the wind turbine, and fundamentally reduces the icing rate of the wind turbine blades, thereby Under the premise of not damaging equipment and wasting energy, the utilization rate of wind turbines in cold seasons can be improved to ensure the power generation in winter.