The invention discloses a multifunctional LED lamp which comprises a lamp body, a power supply, a light emitting part and an adjusting device, wherein the lamp body comprises an upper lamp body and alower lamp body arranged oppositely; the power supply is arranged in the upper lamp body; the light-emitting part is arranged in the lower lamp body; the adjusting device comprises two adjusting blocks and an adjusting bracket; the adjusting bracket comprises two joining parts and a fixed part; the upper lamp body comprises recesses of the two adjusting blocks; the two adjusting blocks are separately arranged in the two recesses and the two joining parts are separately arranged on the two adjusting blocks. The multifunctional LED lamp provided by the invention is suitable for various mountingmodes as well as more using environments, the development cost is lowered greatly, clamps are produced and manufactured conveniently, standardized production is facilitated, and quality and material management and control are also facilitated.