The invention relates to a gear-driven louver type celling lamp. The gear-driven louver type celling lamp comprises a celling lamp fixing rod, a lamp tube, a lamp holder, a main rope and an auxiliary rope, wherein the celling lamp fixing rod, the lamp holder and the lamp tube are sequentially arranged in a connected mode from top to bottom; multiple supports are arranged at the outer side of the peripheral wall of the lamp tube in a surrounding mode, two supports serve as a group, a first rotating shaft is rotatably arranged between every two corresponding supports, rotating wheels are arranged at joints of the two ends of each first rotating shaft and the corresponding supports, the rotating wheels and the corresponding first rotating shafts are coaxially connected, and light-shading pieces are connected to the first rotating shafts and can be turned around the first rotating shafts; the lamp holder is provided with a main gear and multiple auxiliary gears, the main gear comprises a second rotating shaft, and each auxiliary gear comprises a third rotating shaft; and the main rope is arranged on the second rotating shaft in a sleeving mode to drive the main gear to rotate, the main gear and the auxiliary gears are arranged in a meshed mode, the auxiliary rope is arranged on the rotating wheels and the third rotating shafts in a sleeving mode in sequence from bottom to top, and the head and the tail of the auxiliary rope are connected to form a closed loop.