A solar cell module comprising: a plurality of solar cells (C1, C2) each including a semiconductor substrate and first and second electrodes (C141, C142) extending in a first direction (x) and which are formed on the semiconductor substrate and collect carriers of different conductive types, wherein adjacent solar cells include first and second solar cells (C1, C2); a plurality of first metallic lines extending in a second direction (y) crossing the first direction (x) and which are connected to the first electrodes of the plurality of solar cells (C1, C2); a plurality of second metallic lines extending in the second direction (y) and which are connected to the second electrodes of the plurality of solar cells; and a plurality of connectors (Cn) having a first surface on which light is incident and a second surface opposite the first surface, and positioned between adjacent solar cells; characterized in that the plurality of first metallic lines are connected to the first electrodes through a plurality of conductive adhesives and insulated from the second electrodes through a plurality of insulating layers, the plurality of second metallic lines are connected to the second electrodes through a plurality of conductive adhesives and insulated from the first electrodes through a plurality of insulating layers, the plurality of first metallic lines and the plurality of second metallic lines are connected to the second surface of the plurality of connectors (Cn) so that adjacent solar cells are serially connected, each application area of the plurality of insulating layers is larger than each application area of the plurality of conductive adhesives, and each connector (Cn) is separated from at least one of the adjacent solar cells connected by the plurality of connectors (Cn) by a distance (D1,D2), wherein the first surface of the plurality of connectors (Cn) includes a plurality of uneven portions. a plurality of solar cells (C1, C2) each including a semiconductor substrate and first and second electrodes (C141, C142) extending in a first direction (x) and which are formed on the semiconductor substrate and collect carriers of different conductive types, wherein adjacent solar cells include first and second solar cells (C1, C2); a plurality of first metallic lines extending in a second direction (y) crossing the first direction (x) and which are connected to the first electrodes of the plurality of solar cells (C1, C2); a plurality of second metallic lines extending in the second direction (y) and which are connected to the second electrodes of the plurality of solar cells; and a plurality of connectors (Cn) having a first surface on which light is incident and a second surface opposite the first surface, and positioned between adjacent solar cells; characterized in that the plurality of first metallic lines are connected to the first electrodes through a plurality of conductive adhesives and insulated from the second electrodes through a plurality of insulating layers, the plurality of second metallic lines are connected to the second electrodes through a plurality of conductive adhesives and insulated from the first electrodes through a plurality of insulating layers, the plurality of first metallic lines and the plurality of second metallic lines are connected to the second surface of the plurality of connectors (Cn) so that adjacent solar cells are serially connected, each application area of the plurality of insulating layers is larger than each application area of the plurality of conductive adhesives, and each connector (Cn) is separated from at least one of the adjacent solar cells connected by the plurality of connectors (Cn) by a distance (D1,D2), wherein the first surface of the plurality of connectors (Cn) includes a plurality of uneven portions.