The article which is based on classical Chinese medicine books, studies the laws of preventing and treating the disease about Carcinoma of the colon and rectum and the characters in each epoch .From the history of the name, the etiology and pathogenesis of the disease, the formula and medicine of preventing and treating the disease studied the law of the scientific developing. At the same time, compared with the Chinese traditional medicine used in modern time to prevent and treat the Carcinoma of the colo...