Chronic myelocytic leukemia (CML), which make up twenty percent of all the leukemia, is very harmful for human health with wide age distribution and unfavourable prognosis.

• 慢性粒细胞性白血病(chronic myelocytic leukemia，CML)占各类白血病的20%25，发病年龄分布较广，预后不良，严重危害人类生命健康。