The function of the canteen building goes beyond the basic attribute of three meals a day and becomes a campus life generator that stimulates public interaction and promotes face-to-face communication. At different times of the day, it will be fully utilized to hold open lectures, flea markets, parties, exhibitions and open-air movies,etc. In architecture language, The building presents the materiality of space by cutting and splitting parts. The volume covered by hand-plastered is cut, and the cut inner skin is covered with aluminum panels, presenting a smooth space de-materialized.