Renter is the largest campus second-hand trading and leasing platform of the Chinese University of Hong Kong, Shenzhen so far. It mainly provides sales and leasing services for second-hand products, and has 3700 + registered users. Renter is committed to integrating second-hand resources and promoting the recycling of idle goods. Users can upload, buy, sell, purchase and rent products in Renter WeChat app mall. At present, the platform has been settled in other universities of Shenzhen International University City, and there may be more business expansion in the future. Renter is not only a way of life but also an attitude towards life.