The utility model discloses a two-sides-foldable mining solar light cap for a preposed charging module. The two-sides-foldable mining solar light cap for the preposed charging module comprises a cap body (1), a lighting system with a lighting function is arranged ahead the cap body (1), three or more external foldable solar cell panels (10) are arranged at the two sides of the cap body (1) respectively. In an off working state, adjacent external solar cell panels (10) are connected through two folding hinges (11), the upper portion of the foldable solar cell panel at the innermost layer is connected with the cap body (1) through a rotating rod (12), and the external foldable solar cell panels are overlapped with one another. In a working state, the external foldable solar cell panels are unfolded from outside to inside. According to the two-sides-foldable mining solar light cap for the preposed charging module, the two-sides-foldable solar cell panels are adopted, the two sides of the solar cell panels works independently, battery charging can be conducted on the light cap simultaneously or separately, and the reliability is strong. According to the foldable type structure, the efficiency of battery charging can be improved without enlarging the size of the light cap.