A multi-directional adjustable solar outdoor projection light capable of adjusting its lighting range, angle and sensing direction includes a support assembly, and a key light, and a solar power module which are pivoted to the top of the support assembly. Both sides of the key light are pivoted with a fill light capable of adjusting the angles of elevation and depression and the front and rear directions of a projected light relative to the key light, and the support assembly is pivoted is an axially rotatable sensor, thus improving the convenience of use and expanding the lighting range of the solar outdoor projection light.