Method of preparing traditional Chinese medicine preparation for treating melancholia and anxiety neurosis

The invention relates to a preparation method of Chinese herbal medicine preparation for treating depression and anxiety disorder, having the materials of roasted milkvetch root, Largehead Atractylodes Rhizome, Rhizoma Gastrodiae, medlar, Prepared Rehmannia Root, root of herbaceous peony, danshen root, angelica sinensis, Szechwan Lovage Rhizome, Epimedium Herb, semen zizyphi spinosae, polygalae, pachyma cocos, medicinal glue, American ginseng and Hairy Antler. The water volume of water decoction, extraction time and extraction times of the roasted milkvetch root, Largehead Atractylodes Rhizome, Rhizoma Gastrodiae, medlar, Prepared Rehmannia Root, root of herbaceous peony, danshen root, angelica sinensis, Szechwan Lovage Rhizome, Epimedium Herb, semen zizyphi spinosae, polygalae, pachyma cocos are preferred by adopting orthogonal test in the invention, which remain every component of medicinal materials having effect on the indications to the utmost extent; simultaneously the extractionof ineffective ingredien