1、The obstacles of implementing SABM are from the influences of macro factors and also micro factors.

2、Conclusion Through disease history and treatment history,detection of blood picture and myelogram,the basis can be furtherly found out for differentiation between SABM and AAA.

3、Moreover, the number of bone marrow particles in bone marrow smear for patients with SABM was not small, and in the particles there were 3 series of hematopoietic cells, although partly empty.