Stem cells are the cells which are responsible for producing blood in the human life form. The transplant of these cells which have significantly exceptional capacities are by and large called "bone marrow transplant" or "undifferentiated cell relocate". Bone marrow relocate is classified "autologous transplant" when it is acted in the patient by their own immature microorganisms and is designated "allogenic transplant" when it is performed by the cells taken from family members or from irrelevant givers who have tissue similarity. The stem cell of the blood is transplanted in the bone marrow transplant.