The invention discloses a novel LED lamp easy to disassemble and assemble. The novel LED lamp easy to disassemble and assemble comprises a shell mounted on a wall and a bulb main body used for being in fit connection with the shell; the novel LED lamp is characterized in that the bottom end face of the shell is provided with a left clamping holding groove and a right clamping holding groove, wherein the left clamping holding groove and the right clamping holding groove are left-right opposite; a communicating groove is connected between the left clamping holding groove and the right clamping holding groove in a communicating mode, and a power supply connector is arranged at the position, between the left clamping holding groove and the right clamping holding groove, on the bottom end faceof the shell; and a sliding pushing block capable of sliding left and right is arranged in the communicating groove. According to the novel LED lamp easy to disassemble and assemble, locking of the bulb main body is firm, the bulb main body is energized safely and stably, and during assembling, the bulb main body is energized simultaneously while being locked; during disassembling, the bulb main body is deenergized first, and the bulb main body is unlocked simultaneously; operation of the whole device is convenient and quick, the assembling and disassembling efficiency of the bulb main body are greatly improved, electric shock accidents during assembling and disassembling of the bulb main body are effectively avoided, and life safety of workers is guaranteed.