The transplantation of haemopoietic cells is a specific treatment method employed in the therapy of haematological malignant diseases and solid tumours, and also in the therapy of non-cancer diseases. In the transversal study on 95 patients after the transplantation of haemopoietic cells at the Department of Clinical Haematology of the Seconnd Medical Clinic of the Faulty Hospital in Hradec Kralove, the quality of the life of the patients was studied.