The invention discloses a traditional Chinese medicine composition for treating prostatic disease. The traditional Chinese medicine composition is prepared from the following bulk drugs in parts by weight: 250-350 parts of mongolian dandelion herb, 170-270 parts of dahurian angelica, 200-300 parts of lightyellow sophora root, 100-200 parts of red peony root, 150-250 parts of rhizoma smilacis glabrae, 170-270 parts of dogwood, 100-200 parts of dried alum and 10-30 parts of borneol. In addition, the invention further discloses a medical pad for treating prostatic disease and a preparation method thereof. According to the pathogenesis of prostatic disease, the bulk drugs are properly matched with each other so as to realize the efficacies of eliminating heat and dampness, tonifying kidneys and activating blood circulation, dissipating blood stasis and relieving pain and the like, thus thoroughly relieving the pain of patients suffering from prostatic disease. The medical pad is attached to the underwear at the position corresponding to the male perineum so as to directly act on the perineum, and active pharmaceutical ingredients directly reach prostate in an odor secretion manner so as to take effect quickly.