Abstract: The rheological property of fluorin-silicon resin/urushiol composite system was studied. The rheological behavior, rheologial style, thixotropy and structure-resume velocity of the composite with different proportion were examined. The results indicated that all n values of the composite are less than 1, belonging to a pseudoplastic fluid. The composite also is a thixotropic fluid, its viscosity is related to shearing time, and the viscosity decreased with the increase of shearing time under constant shearing speed of 80 s-1, showing its appropriate thixotropy and structure-resume speed which are beneficial to control the appearance and performance of coatings.