A solar cell module, comprising a support beam and multiple solar cell assemblies, each solar cell assembly comprising: a solar panel; and an installation member having a supporting portion configured for fixing the solar panel and a connecting portion configured for fixing the installation member onto a support beam; wherein the supporting portion is disposed on a backside of the solar panel, the connecting portion extends out of an edge of the supporting portion along a direction parallel to the solar panel, the connecting portion locates outside of a coverage area of the solar panel, and the connecting portion defines a installation hole therein, wherein the support beam locates on the backside of the solar cell assemblies, and the solar cell assemblies are fixed on the support beam via the installation member, wherein the multiple solar cell assemblies are disposed on the support beam side by side, the multiple solar cell assemblies comprise a first solar cell assembly and a second solar cell assembly adjacent to the first solar cell, the first solar cell assembly comprises a first installation member, the second solar cell assembly includes a second installation member, the first installation member includes a first supporting portion and a first connecting portion, the first connecting portion defines a first installation hole thereon, a lower surface of the first connecting portion is flush with a lower surface of the first supporting portion; the second installation member includes a second supporting portion and a second connecting portion, the second connecting portion defines a second installation hole thereon, a first plane on which a lower surface of the second connecting portion is located is higher than a second plane on which a lower surface of the second supporting portion is located, and a distance between the first plane and the second plane is equal to a thickness of the first connecting portion; and the first connecting portion is disposed on bottom of the second connecting portion and overlapped with the second connecting portion, the first installation hole and the second installation hole are overlapped, and a bolt passes through the second installation hole and the first installation hole in turn and is connected to the support beam characterized in that the supporting portion defines a platform surface thereon, an adhesive layer configured to combine with the backside of the solar panel is disposed on the platform surface. a solar panel; and an installation member having a supporting portion configured for fixing the solar panel and a connecting portion configured for fixing the installation member onto a support beam; wherein the supporting portion is disposed on a backside of the solar panel, the connecting portion extends out of an edge of the supporting portion along a direction parallel to the solar panel, the connecting portion locates outside of a coverage area of the solar panel, and the connecting portion defines a installation hole therein, wherein the support beam locates on the backside of the solar cell assemblies, and the solar cell assemblies are fixed on the support beam via the installation member, wherein the multiple solar cell assemblies are disposed on the support beam side by side, the multiple solar cell assemblies comprise a first solar cell assembly and a second solar cell assembly adjacent to the first solar cell, the first solar cell assembly comprises a first installation member, the second solar cell assembly includes a second installation member, the first installation member includes a first supporting portion and a first connecting portion, the first connecting portion defines a first installation hole thereon, a lower surface of the first connecting portion is flush with a lower surface of the first supporting portion; the second installation member includes a second supporting portion and a second connecting portion, the second connecting portion defines a second installation hole thereon, a first plane on which a lower surface of the second connecting portion is located is higher than a second plane on which a lower surface of the second supporting portion is located, and a distance between the first plane and the second plane is equal to a thickness of the first connecting portion; and the first connecting portion is disposed on bottom of the second connecting portion and overlapped with the second connecting portion, the first installation hole and the second installation hole are overlapped, and a bolt passes through the second installation hole and the first installation hole in turn and is connected to the support beam characterized in that the supporting portion defines a platform surface thereon, an adhesive layer configured to combine with the backside of the solar panel is disposed on the platform surface.