The invention discloses a traditional Chinese medicine formula for treating prostatitis, and relates to the technical field of drugs for treating prostatitis. The traditional Chinese medicine formula is characterized by comprising the following components in parts by weight: 20 to 40 parts of imperata rhizome, 40 to 60 parts of gracilaria, 5 to 15 parts of amber, 5 to 15 parts of licorice, 5 to 15 parts of poria cocos, 40 to 60 parts of radix astragali, 10 to 20 parts of polygala root, 10 to 20 parts of sweet potato pulp, 10 to 20 parts of pawpaw, 10 to 20 parts of phellodendron, 15 to 25 parts of jujube kernel, 20 to 40 parts of polygonum aviculare, and 10 to 20 parts of corydalis tuber. The traditional Chinese medicine formula can treat prostatitis disease, maximally reduces the damage brought by prostatitis to human body, prolongs the patients' life, and has the advantages of good medicinal property, good safety, pure natural property, no pollution, and no side effect.