The invention discloses an LED lamp. The LED lamp comprises an insertion sleeve arranged in a power supply base, a lamp column, a platform fixed at the top of the lamp column, a clamping piece arranged at the bottom of the platform, a plug clamped in the clamping piece, and a base fixedly connected with the bottom of the lamp column; the LED lamp is arranged on the top end surface of the platform; multiple sets of rollers are peripherally arranged on the bottom end surface of the base; the plug includes an insertion part, and a force applying part fixed at the bottom of the insertion part; a hole groove is formed in the top end surface of the insertion part; a sensor is arranged in the hole groove; a first slip cavity is formed in the insertion part below the hole groove; second slip cavities are uniformly arranged on the left and right sides of the first slip cavity; first cavities are formed in one sides, leaving from the first slip cavity, of the second slip cavities; first slip blocks are arranged in the second slip cavities; inclined angle blocks for entering the first slip cavity are arranged on the inner sides of the first slip blocks; locking blocks for penetrating through the first cavities and the outer side wall body of the insertion part are arranged on the outer sides of the first slip blocks; a screw rod is arranged in the first slip cavity; and the bottom of the screw rod is connected with a motor. The LED lamp is simple in structure, convenient to use, automatic in control, convenient to insert and high in stability after insertion, prevents interrupted power supply due to accidental touch, and meanwhile, prolongs the service life.