Swollen feet of cerebral infarction patients may be caused by prolonged bed rest after the onset of cerebral infarction, which causes deep vein thrombosis in the lower extremities; if necessary, check the venous ultrasound of the lower extremities. When there is deep vein thrombosis, it is necessary to wear elastic stockings in time to prevent the occurrence of pulmonary embolism, which may cause the death of the patient; if necessary, anticoagulant drugs can be applied for treatment, commonly used drugs include heparin, low molecular heparin and warfarin. It may also be caused by neurotrophic disorders caused by patients with cerebral infarction, and patients may also have sensory disorders, manifested as numbness, wood, pain, etc. B vitamins can be applied, and commonly used drugs include vitamin B1, vitamin B6, adenosine cobalamin, and methylcobalamin. Patients should pay attention to moving the lower limbs after cerebral infarction to prevent deep vein thrombosis.