Going to class is a unique food ceremony system in the jungle of Buddhist temples in Han Dynasty. Every morning and noon, you go to church twice. Buddhism calls the place where you eat Zhai Tang, also called Wu Guan Tang. Going to church is one of the five lessons that monks practice every day. When eating, they should do five kinds of visualizations. First, how much work counts and where it comes from. Second, I feel that I lack virtue. Third, prevent the heart from leaving, and greed is like this. Fourth, the good medicine of business is to cure diseases. 5. In order to become a career, you should be eaten by this. In other words, eating in the church is to be grateful for one's blessings, to be satisfied with salvation, to examine oneself, and to examine whether one's virtue matches the support of believers, so as to encourage and promote one's career.