Medicine for treating prostatitis and preparation method thereof

The invention belongs to traditional Chinese medicine field, relates to a traditional Chinese medicine composition, in particular relates to a traditional Chinese medicine composition for treating prostatitis and a preparation method and a usage thereof. The traditional Chinese medicine composition is prepared from the following raw materials in part by weight: 1 to 8 parts of ligusticum, 1 to 8 parts of biond magnolia flower, 1 to 8 parts of cynomorium songaricum, 1 to 8 parts of dodder, 1 to 8 parts of flatstem milkvetch seed, 1 to 8 parts of raspberry, 1 to 8 parts of cherokee rose fruit, 1 to 8 parts of long pepper, 1 to 8 parts of clove, 1 to 8 parts of polygala root, 1 to 8 parts of obscured homalomena rhizome, and 1 to 8 parts of juncus. The traditional Chinese medicine composition is capable of treating prostatitis, prostatic hyperplasia, diabetic nephropathy and renal insufficiency.