The invention discloses a combined LED lamp. The combined LED lamp comprises an installing plate capable of being installed in a surface or hung mode, and the installing plate extends downwards to form multiple threaded columns which are provided with external threads and are internally hollow to allow wiring. The LED lamp further comprises multiple strip-shaped lamp bodies capable of being installed at the lower ends of the threaded columns, threaded holes are formed in the upper ends of the strip-shaped lamp bodies and can be fixedly connected with the threaded columns through threads, through threaded connection between the threaded holes and the threaded columns, the strip-shaped lamp bodies rotate around the threaded columns to form different installing angles and different installing directions, and then different combined forms among the strip-shaped lamp bodies are presented. Each strip-shaped lamp body comprises a strip-shaped lamp shell, an LED light source structure arranged in the strip-shaped lamp shell and a light-transmitting piece arranged on the LED light source structure in a covering mode.