Food safety issues Analysis of the Levels, Root Causes of China's Food Safety Problems and the Socially Just Solutions This article focuses on China's food safety issues and introduces Yan Yunxiang's research on this problem... Research on Yan YunxiangChanges in moral practice Food safety challenges under dietary changes: Ancient and modern threats and coping strategies This article focuses on the discussion of dietary changes and food safety. In the era of economic shortage, the pursuit of diet was to ensure the quantity... The food quality is qualifiedDietary changes China strengthens food safety management. The national standard for wheat flour steamed buns ensures consumer safety. This article focuses on food safety, pointing out that China attaches great importance to food safety management and has built a sound supervision system... Wheat flour steamed bunsRegulatory system