Green grass store is an environmentally friendly store with temperature for young people to recycle second-hand goods. Under the influence of contemporary consumption, excessive consumption is popular among young people, and this consumption also causes a lot of waste of goods. With the concept of long-term design and under the principle of "no production", we sell real good things, let guests learn and understand first, then buy, and then love to use it for a lifetime, so as to build the store into a community communication space and become a popular second-hand store to convey ideas.