For the causes of limb weakness in patients with cerebral infarction: 1, due to the symptoms of neurological deficits in patients with cerebral infarction, patients have weakness or numbness of one limb. 2, patients with cerebral infarction have limb weakness, if the affected limb is considered to be due to the incorrect posture of the patient when walking, or the affected limb is difficult to support, mainly the healthy limb is the main force, resulting in excessive fatigue of the healthy limb. 3, the cause of the heart, some patients with cerebral infarction will have anxiety and depression after the stroke. Patients manifest as dizziness, weakness or depression, and in severe cases can appear to have light thoughts of life. Patients should be given oral anti-anxiety and depression medications, such as Dextran or Prozac.