The invention discloses a section bar for a photovoltaic module frame and the photovoltaic module frame, and relates to the technical field of solar photovoltaic modules, the section bar comprises a section bar body, the section bar body comprises a supporting
assembly, the side surface of the supporting
assembly is fixedly connected with a connecting plate, the side surface of the connecting plate is fixedly connected with a limiting
assembly and a mounting assembly, and the limiting assembly is fixedly connected with the mounting assembly. The mounting assembly is located below the limiting assembly. In the using process, the telescopic compensation frame is arranged between the first fixing plate and the limiting plate and is designed to be S-shaped, and when the overall profile body generates
thermal expansion deformation to loosen limiting of the
solar cell, the S-shaped telescopic compensation frame can generate
thermal expansion deformation towards the two sides at the moment, so that the
solar cell is prevented from being damaged. The limiting plate is pushed through
thermal expansion deformation generated by the telescopic compensation frame, so that it is ensured that the limiting plate and the second fixing plate have enough clamping force on the
solar cell to limit and fix the solar
cell, and the reliability, stability and power generation efficiency of the whole photovoltaic module are improved.