Longhua International Center is located in the riverside of Xuhui, with the modern city waterfront landscape as the core, cleverly combining the glorious history of the Huangpu River and the bright future of Xuhui District, and comprehensively creating a multi-functional business, hotel, commercial, exhibition, leisure and other functions International city complex. Longhua International Center has a total construction area of 510,000 square meters, including over 300,000 square meters above ground. It integrates international Grade A offices, office offices, luxury five-star hotels, and fashion-themed businesses. In the design, how to properly integrate our artistic complex with the decoration materials is a test for the designer. In the Longhua International Hall, the effect of the integration of the stone and stone wall and ground has perfectly interpreted the effect the designer wants! Light gray is a very textured color, it is neither like black to give us the feeling, too dull, nor like white, the brightness is very high, this intermediate gray used here design will give us a A very gentle feeling. The light gray wall and floor design, together with the white ceiling light, appear simple and atmospheric.