The invention discloses a centralized driving type multi-pass colored metal rolling mill. The rolling mill comprises a rolling mill safety hood, a motor, a gearbox, and two groups of rolling mills, rolling mill gearboxes, cooling water pipes, lubricating pipelines and couplings, which are arranged in a bilateral symmetry manner, wherein each rolling mill comprises a roll shaft, an oil film bearing, an eccentric locking collar and an eccentric adjusting screw; fixed bases comprise bases and clamping covers, one sides of the bases and the clamping covers are hinged together through hinge pins, and the other sides of the bases and the clamping covers are connected through expansion bolts and nuts; the end parts of the oil film bearings are fixed between the bases and the clamping covers; theshaft head parts of the rolling mills adopt double-lip sealing structures and are provided with sealing slip rings and lower sealing slip rings; the lower sealing slip rings comprise flanges, connecting parts, oblique sealing rings and horseshoe parts, and the oblique sealing rings are connected with the flanges through the connecting parts; the horseshoe parts are arranged at the end parts of theoblique sealing rings; and the bottom ends of the horseshoe parts are provided with corner parts, linear contact is formed between the corner parts and the roll shafts, and the side surfaces of the horseshoe parts are also provided with reinforcing projections.