The demand of the building decoration industry comes from two parts: the renewal demand formed by rebuilding, expanding, changing the nature of building use or the natural and old initial decoration, and the initial decoration demand of the newly developed building. With the growth of commercial operation housing and housing stock and the maturity of second-hand housing trading market, the overall and partial renovation service demand of existing buildings is expanding, and will gradually become the main provider of demand share of decoration industry. At the same time, consumers have a deeper and more comprehensive understanding of the quality of living. Combined with the improvement of the level of secondary consumption capacity of decoration, the improvement of decoration standards has been driven. Therefore, no matter from the breadth and depth of the industry development, it will provide support for the demand growth of the construction and decoration industry in terms of quantity and price. In the next three years, CAGR (compound annual growth rate) growth rate of demand is expected to remain in the range of 12-15%.