Olanzapine medicine absorbed through oral mucosa

The invention relates to an olanzapine medicine absorbed through an oral mucosa. The medicine is composed of olanzapine taken as an effective medicinal component and auxiliary components acceptable in oral mucosa medicines, wherein, the auxiliary components comprise a disintegrant, a filling agent, a flavoring agent, an adhesive, a mucosa absorption enhancer, and a lubricant. Specifically, the medicine includes the following preparation forms employed currently: sublingual tablets, toroches, buccal tablets, buccal adhesive tablets, and buccal patches, etc. Able to be completely or mainly absorbed by a sublingual mucosa and/or a buccal mucosa, the medicine of the invention has the advantages of no irritation on the oral cavity, ability to substantially improve medicinal bioavailability and treatment effect, as well as convenient administration, and can bring patients good compliance.