A method for manufacturing a curved photovoltaic module, the method comprising: a first laminating operation of manufacturing a solar laminated assembly, wherein the first laminating operation includes: sequentially stacking a first layer of a first encapsulant layer and a first film on a first surface of at least one solar cell and sequentially stacking a first layer of the second encapsulant layer and a second film on a second surface of the at least one solar cell; and adhering the first film to the first surface of the at least one solar cell and adhering the second film to the second surface of the at least one solar cell through a first lamination process of applying heat to the first layers (231a, 232a) of the first and second encapsulant layers (231, 232) while pressing the first film and the second film in a direction toward each other; removing the first film and the second film from the solar laminated assembly after the first laminating operation; and a second laminating operation of encapsulating the solar laminated assembly between a first substrate having a curved surface and a second substrate, wherein the second laminating operation includes: additionally disposing a second layer of the first encapsulant layer between the first substrate and the first layer of the first encapsulant layer exposed by removing the first film, and additionally disposing the second layer of the second encapsulant layer between the second substrate and the first layer of the second encapsulant layer exposed by removing the second film; and adhering the first substrate to a first surface of the solar laminated assembly and adhering the second substrate to a second surface of the solar laminated assembly through a second lamination process of applying heat and pressure within a hermetically closed chamber, wherein the first encapsulant layer and the second encapsulant layer are formed of a thermosetting resin and stacked as two layers, and among the two layers, the second layer (231b, 232b) disposed to be relatively further from the at least one solar cell is thicker than the first layer disposed to be relatively closer to the at least one solar cell. a first laminating operation of manufacturing a solar laminated assembly, wherein the first laminating operation includes: sequentially stacking a first layer of a first encapsulant layer and a first film on a first surface of at least one solar cell and sequentially stacking a first layer of the second encapsulant layer and a second film on a second surface of the at least one solar cell; and adhering the first film to the first surface of the at least one solar cell and adhering the second film to the second surface of the at least one solar cell through a first lamination process of applying heat to the first layers (231a, 232a) of the first and second encapsulant layers (231, 232) while pressing the first film and the second film in a direction toward each other; sequentially stacking a first layer of a first encapsulant layer and a first film on a first surface of at least one solar cell and sequentially stacking a first layer of the second encapsulant layer and a second film on a second surface of the at least one solar cell; and adhering the first film to the first surface of the at least one solar cell and adhering the second film to the second surface of the at least one solar cell through a first lamination process of applying heat to the first layers (231a, 232a) of the first and second encapsulant layers (231, 232) while pressing the first film and the second film in a direction toward each other; removing the first film and the second film from the solar laminated assembly after the first laminating operation; and a second laminating operation of encapsulating the solar laminated assembly between a first substrate having a curved surface and a second substrate, wherein the second laminating operation includes: additionally disposing a second layer of the first encapsulant layer between the first substrate and the first layer of the first encapsulant layer exposed by removing the first film, and additionally disposing the second layer of the second encapsulant layer between the second substrate and the first layer of the second encapsulant layer exposed by removing the second film; and adhering the first substrate to a first surface of the solar laminated assembly and adhering the second substrate to a second surface of the solar laminated assembly through a second lamination process of applying heat and pressure within a hermetically closed chamber, additionally disposing a second layer of the first encapsulant layer between the first substrate and the first layer of the first encapsulant layer exposed by removing the first film, and additionally disposing the second layer of the second encapsulant layer between the second substrate and the first layer of the second encapsulant layer exposed by removing the second film; and adhering the first substrate to a first surface of the solar laminated assembly and adhering the second substrate to a second surface of the solar laminated assembly through a second lamination process of applying heat and pressure within a hermetically closed chamber, wherein the first encapsulant layer and the second encapsulant layer are formed of a thermosetting resin and stacked as two layers, and among the two layers, the second layer (231b, 232b) disposed to be relatively further from the at least one solar cell is thicker than the first layer disposed to be relatively closer to the at least one solar cell.