The invention discloses a cement kiln solid waste disposal oxygen-enriched combustor. The combustor comprises various fuel nozzles and a fuel conveying pipeline connected with the various fuel nozzles and connected with a variable-frequency draught fan. The fuel conveying pipeline is of a multi-layer surrounding structure, a solid waste particle conveying pipeline body is arranged in the middle layer, an oxygen conveying pipeline body surrounds the solid waste particle conveying pipeline body, a cyclone conveying pipeline body surrounds the oxygen conveying pipeline body, a pulverized coal conveying pipeline body surrounds the cyclone conveying pipeline body, and an axial flow air conveying pipeline body surrounds the pulverized coal conveying pipeline body. A solid waste particle spout is arranged in the center of the front end face of the combustor, a plurality of oxygen nozzles are evenly distributed around the solid waste particle spout, and a plurality of cyclone nozzles are evenly distributed around the oxygen nozzles and oblique along the circumferential, so that solid waste particles are stirred with air sprayed by the cyclone nozzles to be fully mixed with oxygen, annular pulverized coal spouts surround the cyclone nozzles, and a plurality of axial flow air nozzles communicated with the axial flow air conveying pipeline body surround the annular pulverized coal spouts.