After introductory remarks on the present state of the antineoplastic chemotherapy the experiences of the Erfurt treatment centre are described. In close cooperation between the haematologico-oncological department of the Medical clinic and the haematologico-oncological special ambulatory of the Medical policlinic of the Medical Academy Erfurt including the general practitioners from 1969 to 1977 altogether 745 patients with tumours, out of them 580 cases with haemoblastoses and malignant systemic diseases, underwent an intensive care. The Erfurt model well proved in practice and is a constructive basis for the further development of a complex strategy of the antineoplastic chemotherapy.