An outdoor solar ground light includes a primary light board and a plurality of secondary light boards installed in the outdoor solar ground light and electrically connected with each other without requiring the use of a conductive wire, and capable of emitting light around the top and the sides of the ground light simultaneously, and the ground light adopts a light emitting diode such as a white/warm white LED or a RGB LED provided for users to select their favorite color or change the color cyclically. Unlike the commercial available ground light, the present invention has the advantages of simple assembling, easy use, convenient transportation and packaging, and aesthetic merchandise appearance.