Group weight > 30 kg: mean CD34 dosage per donor weight was 19.62 ± 14.8 (106cells / kg); mean CD34 dosage per patient weight was 15.39 ± 3.8 (106cells / kg); the mean processing volume / total blood volume ratio of donor was 2.7 ± 0.47 times, the mean stem cell pack volume was 288 ± 114.9 ml.