1. The invention also relates to tyrosine hydroxylase revulsant.

2. Sodium 4-phenylbutyrate (NaPB) is a new differ revulsant.

3. The invention relates to a revulsant composition for promoting the formation of mycorrhizas homobium of orchid and a preparation method thereof.

4. Methods NaNO2 was used to induce cerebral anoxia in mice. Cerebral embolism in mice was induced by the revulsant.

5. Objective To summarize the clinical types of drug induced diseases in nervous-mental system and revulsant and offer a gist for rational drugs using.