The invention discloses a traditional Chinese medicine composition for treating urethritis. The composition is composed of the following raw materials in parts by weight: 5 to 10 parts of unprocessed rehmannia root, 4 to 6 parts of fringed pink, 6 to 8 parts of cortex lycii, 15 to 20 parts of honeysuckle flower, 4 to 5 parts of akebia stem, 7 to 9 parts of smilax glabra, 4 to 5 parts of toosendan fruit, 2 to 4 parts of ephedra root, 1 to 3 parts of ixeris polycephala, 6 to 8 parts of anemarrhena, 5 to 8 parts of balloonflower root, 4 to 5 parts of sarcandra glabra, 8 to 10 parts of phellodendron, 2 to 4 parts of gentrin knotweed, 6 to 8 parts of Chinese violet, 20 to 25 parts of honeysuckle flower, 8 to 10 parts of tree peony bark, 6 to 8 parts of scorpion, 3 to 5 parts of radix scutellariae, 2 to 4 parts of cape jasmine, 1 to 3 parts of mucuna sempervirens, and 2 to 4 parts of root of unilocular crateva. The adopted traditional Chinese herbals are reasonably compounded, and the composition has the functions of clearing heat, removing toxicity, eliminating swelling, relieving pains, inducing diuresis, and treating stranguria, has a prominent curative effect on treating urethritis, has the advantages of definite treatment course, rapid effect, no relapse, safety, reliability, and no side or toxic effect, and is capable of treating both the symptom and the root.