The invention discloses a metalized film with a gradual change type sheet resistance structure, and belongs to the technical field of electronic components. The metalized film with a gradual change type sheet resistance structure comprises a base film, a metal layer and a blank margin, a thickening layer aligned with the side edge of the metal layer is arranged on the metal spraying side, away from the blank margin, of the metal layer, and the thickening layer is composed of three continuous gradual change areas with the thickness gradually changed. The gradual change area comprises a base layer I, a gradual change area II connected with the base layer I and a gradual change area III extending to the blank margin. Compared with a traditional two-section gradual change type sheet resistance structure, the three-section gradual change type thickened structure is adopted, and the change trend of the coating thickness of the gradual change area IIb is mainly increased. According to the metallized film, the lodging of the metal edge, namely the base layer Ia, caused by an overlarge sheet resistance gradual change trend during metal spraying after the metallized film is coiled is greatly relieved, the contact area of sprayed metal and a metallized film plating layer is increased, the overcurrent capability of a capacitor product is ensured, the ESR value of the capacitor product is reduced, and thus the use temperature of the capacitor is increased.