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The key to development and application of membrane structure is the membrane materials.At present, the membrane material is made of high-performance fiber fabric as the base fabric, the polymer material coating or laminated composite textile materials, which has become an important area for the production of textiles in the textile industry development.The advantages and disadvantages of membrane materials such as fiber selection, substrate properties, coating (laminating) process, surface treatment and other factors, involving fiber, weaving, dyeing and finishing, polymer materials and other fields, any one can not meet the requirements, it will seriously affect the final quality of the product. Therefore, compared with the ordinary composite

material, the requirement of the processing is higher , the product is more difficult to manage , representing the highest level of textile composite membrane material.