A photovoltaic module, comprising: at least one glass cover plate, comprising a first glass cover plate and a second glass cover plate that are disposed opposite to each other in a thickness direction; at least one adhesive layer disposed between the first glass cover plate and the second glass cover plate and comprising a first adhesive layer and a second adhesive layer which are opposite to each other; and a plurality of solar cells disposed between the first adhesive layer and the second adhesive layer, wherein each of the at least one adhesive film comprises: a first portion, wherein the first portion includes a first material and is disposed in a central region of the adhesive film; and a plurality of second portions, wherein each of the plurality of second portions includes a second material and is at least partially disposed in an edge region of the adhesive film, the edge region at least partially surrounding the central region; wherein the first material and the second material are different materials, the first portion and each of the plurality of second portions are at least partially overlapped in a thickness direction, and a maximum thickness P of each of the plurality of second portions disposed in the edge region is greater than a maximum thickness Q of the first portion disposed in the central region in the thickness direction, characterized in that, in the thickness direction, each of the plurality of solar cells has a thickness of D, wherein 0.4D≤P-Q≤0.6D. at least one glass cover plate, comprising a first glass cover plate and a second glass cover plate that are disposed opposite to each other in a thickness direction; at least one adhesive layer disposed between the first glass cover plate and the second glass cover plate and comprising a first adhesive layer and a second adhesive layer which are opposite to each other; and a plurality of solar cells disposed between the first adhesive layer and the second adhesive layer, wherein each of the at least one adhesive film comprises: a first portion, wherein the first portion includes a first material and is disposed in a central region of the adhesive film; and a plurality of second portions, wherein each of the plurality of second portions includes a second material and is at least partially disposed in an edge region of the adhesive film, the edge region at least partially surrounding the central region; wherein the first material and the second material are different materials, the first portion and each of the plurality of second portions are at least partially overlapped in a thickness direction, and a maximum thickness P of each of the plurality of second portions disposed in the edge region is greater than a maximum thickness Q of the first portion disposed in the central region in the thickness direction, characterized in that, in the thickness direction, each of the plurality of solar cells has a thickness of D, wherein 0.4D≤P-Q≤0.6D. a first portion, wherein the first portion includes a first material and is disposed in a central region of the adhesive film; and a plurality of second portions, wherein each of the plurality of second portions includes a second material and is at least partially disposed in an edge region of the adhesive film, the edge region at least partially surrounding the central region; wherein the first material and the second material are different materials, the first portion and each of the plurality of second portions are at least partially overlapped in a thickness direction, and a maximum thickness P of each of the plurality of second portions disposed in the edge region is greater than a maximum thickness Q of the first portion disposed in the central region in the thickness direction, characterized in that, in the thickness direction, each of the plurality of solar cells has a thickness of D, wherein 0.4D≤P-Q≤0.6D.