Cerebral infarction is fully known as cerebral infarction, leg soreness after cerebral infarction with weakness of the affected limb, blood circulation and so on. Cerebral infarction can lead to weakness of the limbs on the side of the brain, and in severe cases, the patient cannot walk and is bedridden, while in mild cases, the patient can walk, but due to weakness of the limbs, the walking is laborious, and the symptoms of leg soreness and fatigue are easy to appear; in addition, the limbs on the side of the brain are partially limited in their activities, which affects the circulation, and thus can lead to symptoms of leg soreness. After cerebral infarction, the symptoms of leg soreness can be treated by taking medicines to improve circulation and promote nerve function under the guidance of doctor, and at the same time, the patient should actively cooperate with rehabilitation exercise. After cerebral infarction, it is recommended to consult a professional physician in time and intervene in the treatment under the guidance of the physician.