Abstract: The properties of light fractions（including naphtha, kerosene and diesel）from the 400 kt/a lube isodewaxing unit of CNOOC Huizhou Company were reviewed and a proposal for optimizing the utilization of these fractions was presented, such as producing AR petroleum ether from naphtha; odorless kerosene and base oil for rolling aluminum foil from kerosene fraction; various types of solvent oil for all sorts of applications from diesel fraction.