With the rapid expansion of the offshore wind industry, scour protection has become one of the key issues for offshore wind projects. On this basis, an anti-scouring device is proposed. The device applies a new material bionic grass. The durability and service life of bionic grass were predicted by aging test. The results show that the material has a service life of about 34 to 37 years under the influence of ocean temperature.It fulfills the requirements for use. In order to understand the true state of bionic grass under the seabed environment, No.10 and No.14 wind turbines of an offshore wind farm in Rudong were selected to carry out the test of scouring prevention device.Multi-beam scanning monitoring of offshore wind monopanels was performed.Through the field data analysis, it is concluded that the bionic grass scouring device protection effect is good, and can effectively solve the problem of offshore wind power pile scouring. Compared with the traditional protection, bionic grass has the advantages of simple laying, low cost and low maintenance cost in the later period, which is of great significance for the engineering application of scour protection treatment and subsequent research.