In patients after acute radiation syndrome as result of Chernobyl accident a gradually forming of late radiation pathology was observed in following years. It is connected with destructive changes in the tissues with low proliferative activity. Among some of these patients a deviation of biochemical data and different clinical variants of dysplasia of haemopoiesis have been found. Taking in account the specialities of development and evolution of nonstochastic effects the system of rehabilitation and prophylactics has been developed and improved. This system was directed on the reduce of the late radiation pathology development and it's clinical manifestation. This system is characterized by the complex of different medical and rehabilitation measures.