A photovoltaic module, comprising: a plurality of cell sheets arranged in an array comprising a plurality of rows and a plurality of columns, wherein each row of the plurality rows includes a set of cell sheets arranged at intervals along a first direction, each column of the plurality columns comprises a set of cell sheets arranged at intervals along a second direction, and each of the plurality of cell sheets has a first side and a second side, the first side having a first surface and the second side having a second surface; a first flexible cover layer located on the first side of each of the plurality of cell sheets; a second flexible cover layer located on the second side of each of the plurality of cell sheets;and a plurality of support plates arranged at intervals, wherein each of the plurality of support plates extends along the first direction or the second direction, and each of the plurality of support plates is arranged on the second surface of each of a row of cell sheets of the plurality of rows or each of a column of cell sheets of the plurality of columns, wherein the photovoltaic module is configured to be foldable along a gap between two adjacent rows in the plurality rows to form an angle of 0 degree to 180 degrees between the two adjacent rows or along a gap between two adjacent columns in the plurality columns to form an angle of 0 degree to 180 degrees between the two adjacent columns; characterized in that: along a direction in which the plurality of support plates are arranged, there is/are one or two additional outermost support plates which is/are not provided with any of the plurality of cell sheets on its/their surface. a plurality of cell sheets arranged in an array comprising a plurality of rows and a plurality of columns, wherein each row of the plurality rows includes a set of cell sheets arranged at intervals along a first direction, each column of the plurality columns comprises a set of cell sheets arranged at intervals along a second direction, and each of the plurality of cell sheets has a first side and a second side, the first side having a first surface and the second side having a second surface; a first flexible cover layer located on the first side of each of the plurality of cell sheets; a second flexible cover layer located on the second side of each of the plurality of cell sheets;and a plurality of support plates arranged at intervals, wherein each of the plurality of support plates extends along the first direction or the second direction, and each of the plurality of support plates is arranged on the second surface of each of a row of cell sheets of the plurality of rows or each of a column of cell sheets of the plurality of columns, wherein the photovoltaic module is configured to be foldable along a gap between two adjacent rows in the plurality rows to form an angle of 0 degree to 180 degrees between the two adjacent rows or along a gap between two adjacent columns in the plurality columns to form an angle of 0 degree to 180 degrees between the two adjacent columns; characterized in that: along a direction in which the plurality of support plates are arranged, there is/are one or two additional outermost support plates which is/are not provided with any of the plurality of cell sheets on its/their surface.