A method for manufacturing a photovoltaic module, comprising: providing a plurality of solar cells, wherein a respective solar cell of the plurality of solar cells has a front surface and a rear surface opposite to the front surface, and each of the front surface and the rear surface has a plurality of electrodes formed thereon; disposing a plurality of connection members by disposing a first end portion of each connection member over the front surface of a first solar cell of two adjacent solar cells and disposing a second end portion of the each connection member over a rear surface of a second solar cell of the two adjacent solar cells, wherein the first end portion is in contact with the plurality of electrodes on the front surface of the first solar cell, and the second end portion is in contact with the plurality of electrodes on the rear surface of the second solar cell; disposing at least one encapsulation layer by disposing a first encapsulation sub-layer of each encapsulation layer adjacent to the plurality of connection members and portions of the plurality of solar cells not covered by the plurality of connection members and disposing a second encapsulation sub-layer on a surface of the first encapsulation sub-layer facing away from the plurality of solar cells, wherein the first encapsulation sub-layer has flowability that is smaller than flowability of the second encapsulation sub-layer, and a ratio of a minimum torque, ML, value of the first encapsulation sub-layer to a ML value of the second encapsulation sub-layer is in a range of 1.5 to 8.5; and performing a lamination treatment on the plurality of solar cells, the plurality of connection members, and the at least one encapsulation layer at a preset temperature, to enable the plurality of solar cells to be fixed with the at least one encapsulation layer. providing a plurality of solar cells, wherein a respective solar cell of the plurality of solar cells has a front surface and a rear surface opposite to the front surface, and each of the front surface and the rear surface has a plurality of electrodes formed thereon; disposing a plurality of connection members by disposing a first end portion of each connection member over the front surface of a first solar cell of two adjacent solar cells and disposing a second end portion of the each connection member over a rear surface of a second solar cell of the two adjacent solar cells, wherein the first end portion is in contact with the plurality of electrodes on the front surface of the first solar cell, and the second end portion is in contact with the plurality of electrodes on the rear surface of the second solar cell; disposing at least one encapsulation layer by disposing a first encapsulation sub-layer of each encapsulation layer adjacent to the plurality of connection members and portions of the plurality of solar cells not covered by the plurality of connection members and disposing a second encapsulation sub-layer on a surface of the first encapsulation sub-layer facing away from the plurality of solar cells, wherein the first encapsulation sub-layer has flowability that is smaller than flowability of the second encapsulation sub-layer, and a ratio of a minimum torque, ML, value of the first encapsulation sub-layer to a ML value of the second encapsulation sub-layer is in a range of 1.5 to 8.5; and performing a lamination treatment on the plurality of solar cells, the plurality of connection members, and the at least one encapsulation layer at a preset temperature, to enable the plurality of solar cells to be fixed with the at least one encapsulation layer.