A solar panel mounting bracket is provided. The mounting bracket comprises a plurality of bracket bodies, each of which includes a column (100) and side beams (110) located on both sides of the column (100). One end of each side beam (110) is connected with the column (100), and the other end of the side beam (110) is connected with the top of the column (100) through a cable-stayed connecting rod (120). The bracket bodies are arranged at intervals, and solar panels (200) are installed on frames (150) between the side beams (110). The solar panel mounting bracket is stable and convenient for mounting.