Abstract: China's refineries are in a critical period of structural adjustment. It is very urgent to upgrade product quality, reduce diesel to gasoline ratio and transform to petrochemical industry. Considering the characteristics of the existing refining process in China, the combined processes of refined product structure adjustment and quality upgrade, and the related technologies were proposed, which could meet the needs of technical upgrade for most refineries. At the same time the typical processes of petrochemical-type refinery and the key technologies to the transformation of refining to petrochemical were also introduced to supply an optional technological route for revitalizing the stock of refinery assets, achieving the integration of refining and petrochemical, and increasing the economic efficiency of refinery.

Key words: refining, structural adjustment, transition development, quality upgrading, technology selection