Results: Group weight <30 kg: mean CD34 dosage per donor weight was 13.06 ± 5.2 (106cells / kg); mean CD34 dosage per patient weight was 9.16 ± 6.2 (106cells / kg); the mean processing volume / total blood volume ratio of donor was 2.84 ± 0.38 times, the mean stem cell pack volume was 204 ± 45.9 ml.