The present invention refers to a multifunctional easy-to-install LED lamp, including a lamp shade, a lamp body and a base. The lamp body includes a base plate, and an upper surface of the base plate is configured with a positioning bump and a locking bump. The base includes a bottom plate, and a lower surface of the bottom plate extends downwards to form a surrounding wall, which is constituted by a left wall, a front wall, a right wall and a back wall. A lower edge of the front wall extends towards the back wall to form a front hanging plate, a lower edge of the back wall extends towards the front wall to form a back hanging plate, the front hanging plate has a front gap for holding the locking bump, and the back hanging plate has a back gap for holding the locking bump.