There are problems in the traditional painting of offshore steel structure,such as high energy consumption,high pollution and high governance cost.The current situation of the traditional painting of offshore steel structure was summarized,the development concept of green painting was explored,and the traditional painting was organically combined with quality improvement,cost reduction and efficiency increase.The paint coating,equipment and facilities,painting process and production management in the painting production stage were analyzed,so as to provide a reference for promoting the development of green painting of offshore steel structure under the"double carbon"economy.