Plastic woven fabrics are widely used in the industry and play a lot of roles. It is commonly used for isolation. People use Geotextiles to isolate building materials with different physical properties,such as soil and sand, sand and gravel, soil and concrete etc. So that the two kinds of materials are not lost, not mixed, maintaining the overall structure and function of the material. The load bearing capacity of the structure is strengthened. Its appearance makes the isolation effect easy to make, so in many construction sites we can see plastic woven fabric.