PURPOSE: The solar module fixing structure establishes the spring between fixture and C type frame. It prevents from the fixture being deviated of the anchoring bolt. CONSTITUTION: The bolt hole is formed in the upper side of the type frame(10) into the regular interval. The anchoring bolt(20) and screw nut are inserted in the bolt hole of C type frame. The slide groove(31) is formed into the longitudinal direction so that the head(21) of the anchoring bolt be inserted. The jaw horizontally inbound curved is formed in both ends of the slide groove.