According to the characteristics of reservoir burial depth （8600 m），high temperature （180℃ ） and lithologic compactness in Shunbei block of Tarim Basin，a fracturing fluid system with low friction，high density and high temperature resistance was prepared by using thickener GX-100，self-made organic zirconium crosslinker WQ-60 and weighting agent KCl. The temperature and shear resistance，drag reduction and gel breaking properties of the system were evaluated. Field application was carried out in Shunbei block of Tarim Basin. The results showed that the fracturing fluid system composed of 0.5% GX-100，0.65% WQ-60，2.5% pH modifier and 20% weighting agent KCl could be aggravated to density of 1.1 g/cm³. The fracturing fluid had good temperature resistance and shear resistance. The viscosity of fracturing fluid was higher than 50 mPa·s after shearing 90 min at 180℃ and 170 s^-1. The drag reduction efficiency of the solution was greater than 60%. In addition，the gel broke completely and the residue quantity was low，which satisfied the requirement of fracturing construction.