Troxerutin protects against high cholesterol-induced cognitive deficits in mice, it could be recommended as a possible candidate for the prevention and therapy of cognitive deficits in type 2 diabetes mellitus and Alzheimer's disease. Troxerutin can attenuate renal injury induced by D-galactose probably through its antioxidant and anti-inflammation properties, it also has efficacy on streptozotocin-induced rat model in the early stage of diabetic retinopathy.