Overal survival, disease free survival are also better; + Pre-transplant status: the patients who received transplant at the first complete remission had better results than patients who received transplantation at the second complete remission about rate of relapse, mortality, overal survival, disease free survival; + On the matching of HLA between the patient and the donor: fully matched patients had better overal survival and disease free survival than those who did not, but did not affect relapse rates and mortality.