Advances in Food Safety and Environmental Engineering is a compilation of selected papers from the 2022 4th International Conference on Food Safety and Environmental Engineering (FSEE 2022) and focuses on the research of food engineering and environmental engineering. The proceedings feature the most cutting-edge research directions and achievements related to health and environment. Subjects in these proceedings include: Food Safety and Health Food Nutrition Food Processing and Preservation Environmental Engineering and Technology Ecology and Ecosystem Management This collection of papers aims to promote food safety and environmental development, resource sharing, flexibility and high efficiency. An additional goal is to promote scientific information exchange globally between scientists from the best universities, research centers and high-tech companies.