The 2nd International Conference on Petrochemical Engineering and Green Development (ICPEGD 2021) will be held on February 26-28, 2021 in Shanghai, China. ICPEGD 2021 is to bring together innovative academics and industrial experts in the field of Petrochemical Engineeringand Green Development to a common forum. The primary goal of the conference is to promote research and developmental activities in Petrochemical Engineering and Green Development and another goal is to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working all around the world. The conference will be held every year to make it an ideal platform for people to share views and experiences in Petrochemical Engineering and Green Development and related areas.