This invention relates to a rotary patterned lamp, which includes a supporting frame to connect with a rotator. The rotator has a downward link to connect with a patterned lamp having lighting string thereon. The frame is provided with two pins, each of which is contacted with a conductive ring around the rotator and a conductive rod between the frame and the rotator. The two pins are connected with the electrical wire extendedly to the power source to provide the power to light up the bulb of the patterned lamp that obtains a rotary decorative improved lighting effect.