The invention discloses a multifunctional LED lamp structure. The multifunctional LED lamp structure comprises a base, a lamp housing, an LED lamp bead and a lampholder. The lamp housing, the LED lampbead and the lampholder are located above the base, the LED lamp bead and the lampholder are located in the lamp housing, the lampholder is fixedly connected with the lamp housing, a telescopic rod is arranged above the base, and a lug is arranged on the surface of the telescopic rod; an illuminating device is arranged on one side of the telescopic rod, the illuminating device comprises the lamphousing and the LED lamp bead, a groove is formed in one side, close to the lug, of the lamp housing, and a motor is arranged in the base; and a fixing device and a limiting sliding chute are formed in one side of the base, the fixing device is slidably connected with the limiting sliding chute, and a suction cup is fixedly connected with the bottom end of the base. According to the multifunctional LED lamp structure, the design is novel, the structure is simple, the manufacturing cost is low, the illuminating height and the range can be conveniently adjusted according to different needs, dismounting and mounting are convenient, the multifunctional LED lamp structure can conveniently serve as a table lamp, a ceiling lamp, a pendant lamp, an emergency flashlight lamp and the like, the usingeffect is good, one lamp can achieve the multiple purposes, and the applicability is wide.