With the development of the “happy farm” and other popular internet entertainment games,“steal food” momently swept all the internet users lives. More and more students had joined the rank of “steal food”,abandoned themselves to “steal” and anti-“steal” every day,never tired. The article,in view of sociology and psychology,tried to analyze the reasons why college students were keen on “steal food” and the impact coming with the behaviors,and then suggested to guide students on how to return to the normal track of life.