An antenna reflector phase correction film for an antenna reflector, characterized by comprising a first substrate, a second substrate, and multiple artificial microstructures disposed between the first substrate and the second substrate, the artificial microstructures are wires made of electrically conductive materials, the first substrate and the second substrate are flexible substrates, and refractive index distribution of the antenna reflector phase correction film TM is rationally designed so that an electromagnetic wave, emergent after being reflected by an antenna reflector attached with the antenna reflector phase correction film, has a flat equiphase surface, wherein, the antenna reflector of a reflector antenna is attached with the antenna reflector phase correction film; wherein, an original equiphase surface is obtained by means of laser scanning, wherein, the equiphase surface obtained after the electromagnetic wave is directly reflected by the antenna reflector is the original equiphase surface, a perpendicular distance from any point on the original equiphase surface to the flat equiphase surface is defined as D m, an emergent phase passed through by the electromagnetic wave in the distance D m is X m, and then, X m = ± ωD m c; wherein, when a point on the original equiphase surface XM is located on the left side of the ideal equiphase surface PZ, X m takes a positive value; when a point on the original equiphase surface XM is located on the right side of the ideal equiphase surface PZ, X m takes a negative value; a size of a point on the equiphase surface is the same as that of a single artificial microstructure; wherein, ω is an angular frequency of an electromagnetic wave; and c is speed of light; a refractive index of a part of the antenna reflector phase correction film corresponding to that X m is zero is a constant value n 1, a refractive index of a part of the antenna reflector phase correction film corresponding to that X m is not zero is n m, and n m = n 1 − X m × c ω × 2 d; wherein, ω is an angular frequency of an electromagnetic wave; d is thickness of the antenna reflector phase correction film; and c is speed of light; wherein, the antenna reflector phase correction film is connected to a surface of an antenna reflector to be attached by means of one or multiple types of manners of bonding, fastener fastening, fastening, and clamping connection; wherein, the antenna reflector is a parabolic reflector; wherein, the antenna reflector phase correction film further comprises a protective layer and/or edge sealing. of a reflector antenna is attached with the antenna reflector phase correction film; wherein, an original equiphase surface is obtained by means of laser scanning, wherein, the equiphase surface obtained after the electromagnetic wave is directly reflected by the antenna reflector is the original equiphase surface, a perpendicular distance from any point on the original equiphase surface to the flat equiphase surface is defined as D m, an emergent phase passed through by the electromagnetic wave in the distance D m is X m, and then, X m = ± ωD m c; wherein, when a point on the original equiphase surface XM is located on the left side of the ideal equiphase surface PZ, X m takes a positive value; when a point on the original equiphase surface XM is located on the right side of the ideal equiphase surface PZ, X m takes a negative value; a size of a point on the equiphase surface is the same as that of a single artificial microstructure; wherein, ω is an angular frequency of an electromagnetic wave; and c is speed of light; a refractive index of a part of the antenna reflector phase correction film corresponding to that X m is zero is a constant value n 1, a refractive index of a part of the antenna reflector phase correction film corresponding to that X m is not zero is n m, and n m = n 1 − X m × c ω × 2 d; wherein, ω is an angular frequency of an electromagnetic wave; d is thickness of the antenna reflector phase correction film; and c is speed of light; ω is an angular frequency of an electromagnetic wave; d is thickness of the antenna reflector phase correction film; and c is speed of light; wherein, the antenna reflector phase correction film is connected to a surface of an antenna reflector to be attached by means of one or multiple types of manners of bonding, fastener fastening, fastening, and clamping connection; wherein, the antenna reflector is a parabolic reflector; wherein, the antenna reflector phase correction film further comprises a protective layer and/or edge sealing.