Traditional Chinese medicine composition for improving brain emotion network function and white matter structure integrity and treating insomnia and anxiety disorder and preparation and application thereof

The invention discloses a traditional Chinese medicine composition for improving brain emotion network function and white matter structure integrity and treating insomnia and anxiety as well as a preparation method and application thereof. The traditional Chinese medicine composition comprises the following raw material medicines: salvia miltiorrhiza, amber powder, spina date seed, radix rehmanniae recen, rhizoma anemarrhenae, bighead atractylodes rhizome, fructus aurantii and gardenia. The invention further discloses a preparation method of the traditional Chinese medicine composition and application of the traditional Chinese medicine composition in preparation of drugs for treating insomnia and anxiety. The traditional Chinese medicine composition disclosed by the invention can be used for improving functional connection and functional activation of a specific brain region and improving the microstructure integrity of a corresponding white matter beam, so that the effects of resisting anxiety and improving