It's bleeding. M3 leukemia is also called acute promyelocytic leukemia. Typical hemogram shows anemia, changes in the number of white blood cells, infantile cells and thrombocytopenia. There is a trough around the induction period of leukemia m3, and the main symptoms are bleeding, such as ecchymosis on the skin, gingival bleeding, fever, physical fatigue and decreased resistance. M3 leukemia is the only leukemia that can be cured by chemotherapy without bone marrow transplantation. It can be cured by retinoic acid, arsenic and chemotherapy. Treatment is divided into three stages: induction treatment, consolidation treatment and maintenance treatment. The induction chemotherapy time of induction therapy is four weeks, and the condition change at this stage is the most dangerous, so special attention should be paid to nursing, diet and psychological adjustment.