In order to improve the performance of the clean fracturing fluid systems，the rheological properties of the micelle systems formed by cationic Gemini G3-18，anionic surfactant sodium（AOS）and sodium salicylate（NaSal）were investigated. The fluidity，viscoelasticity，thixotropy and temperature resistance of the systems was measured. The results showed that the 3% G3-18+ 1.5% NaSal system possessed good fluidity，viscoelasticity and thixotropy. After being sheared for 90 min at the temperature of 100℃ and at the shear rate of 170 s^-1，the viscosity of the system was 30.83 mPa·s. The viscous dominant frequency interval of 3% G3-18+1.5% NaSal+ AOS complex system increased while the elasticity dominant frequency interval reduced with increasing mass fraction of AOS in the range of 0.01—10 Hz. At the same time，the positive thixotropic ring gradually became smaller and the reverse thixotropic loop increased gradually with the AOS increased. After being sheared for 90 min at the temperature of 100℃ and at the shear rate of 170 s^-1，the viscosity of the 3% G3-18+1.5% NaSal+0.20%AOS mixture system remained 40.57 mPa·s，which was enhanced by 31.6% compared to that of the system without AOS.