Clinically, stem cells are mainly used to repair and replace damaged cells, with the effect of rebuilding the normal function of the body. At present, the more mature clinical utilization of stem cells is hematopoietic stem cell transplantation, which is used to treat acute leukemia and other malignant blood diseases. Stem cells are a class of multipotential cells with self-replicating ability, with the potential to differentiate a variety of tissues and organs, scientists have been committed to the study of directed differentiation of stem cells, such as the heart, liver and other organs, so that many medical problems can be overcome. Hematopoietic stem cell transplantation can replace the original diseased stem cells in the body, which can effectively treat leukemia, lymphoma, myeloma and neuroblastoma and other diseases in the clinic. Stem cells can be used for a variety of clinical purposes, so please consult your doctor for more details.