Stroke is the most common serious manifestation of cerebrovascular disease. It ranks as the second most common cause of death and the main cause of sever disability. It is a catastrophic life-changing event which influences not only stroke patients but also their families and care givers. It causes load and challenge on the global health care system. It is important to make efforts to prevent stroke rather than just treat stroke. The aim of a narrative review to detect effect of aerobic exercises in prevention of stroke risk factors. The most succefful way for stroke prevention involve modification and treatment of risk. It has been estimated that over 50% of stroke are preventable through control of modifiable risk factors. Physical activity is considered a modifiable lifestyle factor in stroke prevention strategies. The effect of aerobic exercise is enhancing cardiovascular fitness, improve muscle strength, and promoting brain health. The habitual exercise may prevent or slow the natural decline in resting cerebral perfusion, thereby modifying stroke risk.