Malignant neuroleptic syndrome (MNS) is supposed to be an antipsychotic drugs toxic reaction which sign are hypethermia, rigidyty, awakening decrease, hypothalamus disturbance, and neuromuscular disturbance. The diagnosis of MNS is made base on diagnostic criteria of Pape, Keck, McEllory (1989). The clinical symptom of MNS is similar to sepsis or meningoencephalitis. During period at April 1992…