OOn October 18, 2020, the 4th China Automation Conference on Environmental Perception and protection was held in the form of an online video conference and an exchange was conducted in the form of a report of the General Assembly and a special report of the sub-forum.This conference has established four sub-forums: General Methods and technologies of environmental protection automation, sewage treatment automation, Solid Waste Treatment Automation and atmospheric treatment automation. Professor Zhao Rui of the Department of Environmental Science and Engineering was invited to attend the meeting and gave a report entitled "Exploration and Application of brain neuroscience in the study of garbage sorting behavior" at the forum of solid waste disposal automation methods. This academic conference also provides an opportunity for teachers and students to learn from and communicate with experts in the same field and learn about the latest research progress and achievements in this field.