The invention discloses a method for preparing a traditional Chinese medicine preparation capable of treating schizophrenia, belonging to the technical field of traditional Chinese medicine. The method for preparing the traditional Chinese medicine preparation capable of treating schizophrenia comprises the steps of respectively performing treatment on raw materials such as snakegourd fruit, radix pseudostellariae, magnetite, coptidis rhizome, acorus calamus, curcuma aromatica, oyster, polygala tenuifolia, fresh radix phytolaccae, white paeony root, poria with hostwood, raw rhubarb, chrysoidine, gentian, peach kernel, mirabilite, cortex albiziae, radix scutellariae, caulis akebiae, bile arisaema and radix liquiritiae, mixing, filtering, concentrating, adding excipients, so as to obtain a traditional Chinese medicine finished product preparation clinically required. The traditional Chinese medicine preparation prepared by the method has the obvious technical advantages that the curative effect is good, effect of medicine is mild, recuperating under medical treatment is realized, no toxic and side effect exists and the like in the treatment of schizophrenia, in addition, the characteristics that a preparation technology is advanced, the effect of the preparation is stable, popularization and application are suitable and the like are also the obvious technical advantages of the traditional Chinese medicine preparation.