The utility model provides an oily water treatment integrated device in body cabin, includes: the lower part body, set up valve, coalescent pack, pipe chute group, oil collecting tank, air balance pipeline under cabin in the body of lower part, integrated oil -containing sewage treatment device, the whirl degreaser that links to each other with oil -containing sewage treatment device, the liquid that links to each other with the whirl degreaser in the body cabin of lower part. The utility model discloses being located the oil -containing sewage treatment device on the chunk of upper portion, optimize to the body cabin of lower part in, not only solved the nervous problem of upper portion chunk spatial position, and, still make oily water treatment reach outer arranging or reinjection formation's standard, satisfy safe region's requirement, simultaneously, greatly reduced the investment of engineering, increased the productivity effect.