Consolidation therapy options for M3 leukemia include allogeneic hematopoietic stem cell transplantation and chemotherapy. M3, also known as acute promyelocytic leukemia, is a type of leukemia characterized by a marked increase in the proportion of bone marrow promyelocytes.The treatment of M3 can include an induced remission phase and a post-remission treatment (consolidation therapy) phase. 1. where the treatment in the induced remission phase is all-trans retinoic acid combined with anthracycline drugs such as Zorubicin. 2. In the consolidation treatment stage, different regimens can be chosen according to different prognoses; those with good prognoses can choose chemotherapy based on cytarabine combined with all-trans retinoic acid and arsenite, etc. Allogeneic hematopoietic stem cell transplantation can be used after relapse. The treatment of M3 leukemia needs to be under the guidance of hematologists.