染色体检查是细胞遗传学的重要技术手段，它对白血病的诊断、分型、治疗方法的选择和预后判断有着重要参考价值，对进一步探讨白血病的病因、发生机理等有着实际意义。但由于白血病患者细胞培养物粘性大，各类型白血病细胞周期也不同，所以染色体制备方法一直是国内外学者... Chromosomal examination is an important technique for cytogenetics. It has important reference value for the diagnosis, classification, selection of treatment methods and prognosis of leukemia. It has practical significance for further investigation of the etiology and mechanism of leukemia. However, since the cell culture of leukemia patients is highly viscous and the cell cycle of different types of leukemia is also different, chromosome preparation methods have always been scholars at home and abroad...