Clothing fabrics, clothing styles, clothing structure design, material texture re-creation need the innovation and re-creation ability of designers. Design sketch is the "window" of designer's personal style, is a special symbol and form of expression and is the basic approach of modeling and the form aesthetic training. In order to better serve the clothing and textile industry in Fujian Province, in this paper, taking the requirement of the clothing industry development in Fujian Province on the designer’s ability as the background, the application and promotion of design sketch in the cultivation of the ability of fashion designers are explored. Fujian Province is located in the hinterland of the economic zone on the west side of the strait and is known for light industry. Its southern Xiamen, Shishi, Jinjiang, Quanzhou, Zhangzhou, its central Putian, Fuzhou, Changle, its northern Sanming, Nanping and other places have large-scale clothing and textile industry which occupies a pivotal position in the local economy. Textile and clothing industry as the traditional processing industry of advantage in Fujian Province, has now formed a complete range of textile industry system involving the categories of chemical fiber, cotton, clothing, printing and dyeing, knitting, industrial textiles, home textiles and so on. Its textile economy is in the forefront in regional economic ranking. For example, in Shishi and Jinjiang which are the national textile industry leaders, the textile industry has become the pillar industry of local economy; Quanzhou in southern Fujian and Changle in central Fujian have built a relatively complete textile industry chain covering the cotton and chemical fiber, weaving and dyeing, clothing and accessories, etc. They occupy a large proportion in the local economy and have become the key of the local economic development.Â