Patients with cerebral infarction normally do not have swollen hands. The main reasons for swollen hands during the treatment of cerebral infarction are twofold: 1. the affected limb undergoes intravenous infusion, the blood flow rate of the affected limb slows down due to paralysis, and intravenous infusion can easily cause swollen hands and limbs. 2. the patient is in a state of hypoproteinemia, and the plasma osmolality maintenance is insufficient due to hypoproteinemia. After a large amount of rehydration treatment patients will have slow peripheral circulation and swelling will occur. Patients are advised to have their liver function checked.