To provide the solar cell module retaining structure, the frame for the solar cell module, and the holding member for the solar cell module, which reduces the number of members relating to the solar cell module retaining structure, standardizes the installation process thereof, and reduces the cost of manufacturing and installing. The solar cell module retaining structure is to fix the solar cell module which comprises the solar cell panel body with the modular glass (6) and the frame (1) to be fixed to the solar panel body to the supporting member (42) via the holding member (2), wherein the frame (1) and the holding member (2) are for the retaining structure of the solar cell module; the holding member (2) can slide relative to the frame (1); the holding member (2) can keep two adjacent frames of two adjacent solar cell modules contacted and restrict one solar cell module from moving in the right angle direction relative to the extending direction of the frame (1); and the holding member (2) is fixed to the supporting member (42) at the lower side of the other solar cell module.