Wi syndrome(위證) is the syndrome that reveals muscle relaxation without contraction and muscle relaxation occurs in the low or upper limb, in severe case leads to death. We experienced a 80year-old woman who had a Wi syndrome(위證), and treated by the way of reinforcing weakness of the spleen and stomach(脾胃虛弱).After being treated, the patient showed that symptoms (gait disturbance, ptosis, dysphonia) was improved. This result suggests that oriental medical treatment has good effect on Wi syndrome(위證).