Abstract: This article introduces the 20th National Ethylene Annual Meeting during which the delegates exchanged experiences and understandings of enterprises in safety and environmental protection, energy saving and consumption reduction, raw material structure adjustment, refined management, plant optimization, technical modification and the application of new technologies, discussed the concerns of enterprises and the problems encountered, and put forward some suggestions on the development trend and transformation and upgrading strategy of China’s ethylene industry.

Key words: the 20th National Ethylene Annual Meeting, ethylene industry, development