The textile and apparel industry is the important sector of our national economy. It will be conductive to analyze exactly the condition of textile and apparel industry for the industrial restructuring of the industry. With the basis of 2002 and 2007 input-output tables, the paper analyzes the industry association and the effect of industry spread of textile and apparel industry using the way of Input-output. The computed results show that the textile and apparel industry makes a great induced effect on the national economy but the industry range induced is rather narrow. Also the result shows that the degree of final dependency of textile and apparel industry to export is the highest while the degree to domestic demand of consumption is lower. Based on the conclusion, it’s recommended to strengthen the organic integration of the textile and apparel industry and textile materials industry, as well as with the association development of the tertiary industry and vigorously develop the domestic demand for the industry.