The paper is based on the record of researching the patients with cancer in the Chun-nam National University Hospital from September 1985 to December 1988. The results are the as follows ; 1. Among the total O.P.D. 921, 028, the patients of Therapeutic Radiology (Opening the Therapeutic Radiology in September) are classified into 27,159(2.95%), (186 in 1985, 2,388 in 1986, 10,511 in 1987, and 14,074 in 1988) 2. Among the 4,925 cancer patients, cervix and uterus cancer patients are 1,138(23.10%), stomach cancer patients are 592(12.02%), brain and thyroid cancer patients are 565(11.47%), liver cancer patients are 400 (8.12%), lung cancer patients are 355 (7.20%) and sexual ratio appeared 1 : 1.13. Therefore, female patients are a slightly more than the male patients. 3. The age distribution of cancer was that of $45{sim}54$ ages are 1,244(25.26%), $55{sim}64$ ages are 1,119(22.72%) and $35{sim}44$ ages are 773(15.70%) and the half of all the cancer patients are $45{sim}64$ ages. 4. Among the 2,519 cancer patients, 742(29.46%) are in the uterus system, 620(24.62%) are in the brain and thyroid part, 402 (15.96%) are in the lungs. Therefore, these three kinds of cancer consist of 70%. 5. The occupational distribution of 3,067 cancer patients ($87{sim}88;year$) house wives are 636 (20.73%), orderly farmers are 622 (20.28%) public service personnells are 193 (6.29%), salarymen are 162(5.28%) and businessmen are 159(5.18%).