Inspite of hemoblastoses rare incidence in common structure of pediatric morbidity, pediatrician of every specialty face with hemoblastoses in his practice. Nowadays it is possible to cure these fatal in the beginning of 1970s diseases. But it could be realized only in team work of pediatric oncologists, hematologists with primary care pediatrics of hole pediatric medical service. Early diagnosis of hemoblastoses different forms, relapse diagnosis timely, early and delayed treatment complications, realization of rehabilitation action, treatment of comorbid diseases, case follow up sphere of duties, which could be resolved by doctors team.