The invention relates to a traditional Chinese medicine for treating prostatic cancer, characterized by comprising the following medicinal raw materials in proportion: 10-30 parts of astragalus root, 10-15 parts of angelica, 8-12 parts of euryale seed, 6-8 parts of antler, 10-15 parts of glossy privet fruit, 10-20 parts of gardenia fruit, 10-30 parts of honeysuckle, 10-15 parts of weeping forsythia, 6-10 parts of java brucea fruit, 8-12 parts of red peony root, 6-10 parts of hemp root, 10-15 parts of lotus root node, 10-14 parts of madder root, 8-10 parts of longhairy antenoron herb, 8-12 parts of climbing fern spore, 10-18 parts of mulberry bark and 6-10 parts of licorice. After the medicinal raw materials are selected, mixed and soaked, water is added for decocting, one dose of decoction is 200ml, 100ml of decoction is taken orally twice per day respectively in the morning and at night, and one course of treatment lasts for 10 days. The invention has the beneficial effects that the overall treatment concept for strengthening the body resistance and resisting cancer has the following therapeutic principles of: invigorating qi and nourishing the blood, strengthening the kidney and expelling toxin, dissipating blood stasis and alleviating pain, promoting blood circulation and arresting bleeding, and regulating internal secretion; diagnosis and treatment are based on an overall analysis of the illness and the condition of a patient clinically according to different syndromes; and the recurrence, spread and metastasis of cancer are effectively controlled. The medicine has quick curative effect, high remission rate and no toxic side effect.