The wind turbine blade transport trailer is a special vehicle designed for transporting wind turbine blades. The vehicle uses a unique blade fixing device that can firmly fix the blades to prevent shaking and damage during transportation. The body structure is optimized, with high load-bearing capacity and stability, and can adapt to various road conditions. At the same time, the windmill blade trailer is equipped with an advanced steering system, which can flexibly cope with narrow roads and complex road conditions to ensure the safety of blade transportation. In addition, in order to meet the transportation needs of blades of different sizes, some wind turbine blade trailers lso have adjustable functions, which play an irreplaceable role in the field of wind power equipment transportation.