This document describes compositions comprising digestive ferment and prepares to reduce one or more symptoms of neuropsychiatric disorders. There is also described herein the individual methods to alleviate the symptom of neuropsychiatric disorders with what using digestive ferment and their derivatives for treatment with neuropsychiatric disorders. This method includes that the amount to effectively reduce one or more symptoms of neurological disorder applies a effective amount of natural or recombinant sources digestive ferment or their derivative to individual.本文描述了組合物,其包括消化酶並且配製以減少神經精神障礙的一種或多種症狀。本文還描述了用於使用消化酶和它們的衍生物治療患有神經精神障礙的個體以緩解神經精神障礙的症狀的方法。該方法包括以有效減少神經障礙的一種或多種症狀的量向個體施用有效量的天然或重組來源的消化酶或它們的衍生物。