It is pointed out that distinctive features of malignant neoplasms of the female genital system determine peculiarity of organization of medical care for patients with cancer of uterus, ovary and external genital organs. Violation of the basic principle, i.e., examination and treatment of oncogynecologic patients should be carried out only in specialized departments, mostly is the cause of the main defects of the above kind of medical care (late diagnosis, inadequate treatment). The number of oncogynecologic departments and their bed fund should be planned on the basis of malignant neoplasm morbidity rates among the female residents of the given territory.