Decoration method for transporting fan blades of whole offshore fan

The invention discloses an arrangement method for transporting fan blades of a whole offshore fan. The fan blades comprise the first blade, the second blade and the third blade. The method is characterized by comprising the following steps that S1, a first blade is rotated to the horizontal position, and the pitch angle of the first blade is set to be in a feathering state or an approximate feathering state; s2, the geometric attack angle of the second blade is set to be a small positive attack angle and about 1 degree, and the geometric attack angle of the third blade is set to be a small negative attack angle and about-1 degree; and S3, the third blade is finely adjusted through CFD simulation and/or a wind tunnel test, so that the total torque of the first blade, the second blade and the third blade is zero. By rotating the fan wind wheel, placing one blade to the horizontal position and adjusting the pitch angle of each blade, large torque generated by high wind pressure is eliminated, so that the load of