Summary Purposes: to enhance our dialectic thinking about food safety and strengthen our sense of responsibilities for the society to show our college students' concern for the issue of food and try to get to know more about science(GM food), social issues(food crisis, food and morality), law and supervision( food supervision, law enforcement, bribery, etc.Summary Purposes: • to enhance our dialectic thinking about food safety and strengthen our sense of responsibilities for the society • to show our college students’ concern for the issue of food and try to get to know more about science (GM food), social issues (food crisis, food and morality), law and supervision( food supervision, law enforcement, bribery, etc.)