Stem cell transplantation is employed for the treatment of cancer and in treating the diseases related to blood. In this case, the patients are always treated with the transplant. Because the stem cells were unremarkably originated from bone marrow. Hematopoietic stem cells (HSCs) are Stem cells which are produced from the process of Haematopoiesis. The haemogenesis {biological process} is that the process by that all mature blood cells are created. They are derived from mesoblast and are in Red Bone Marrow. Hematopoietic stem cells (HSCs) has the potential to self-renew and replace the cells and save an individual without HSCs.