It shows that the apparent viscosity of grease with nano-particles decreases with the increasing shearing rate. The apparent viscosity of grease with nano-particles presents obvious to shear rarefication, and shows so notable Non-Newton property. 含纳米颗粒润滑脂表观粘度均随剪切速率的增大而减小,呈现出明显的剪切稀化性质,非牛顿特性非常显著。