Abstract: Objective To analyze the situation of blood collection and supply of Chengdu Blood Center，help with guiding the work of blood collection and supply in Chengdu. Methods Retrospective review according to official data in Chengdu Blood Center from 2010 to 2015，including the number of donors，volume of collected blood，distribution of donors'age，blood situation of medical institution and situation. Results The number of blood donors，volume of collected blood and blood using situation in medical institution are all increasing year by year in Chengdu blood center. The total donors and volume of whole blood increased from 145 971 donors and 251 989 U in 2010 to 174 199 donors and 304884U in 2015 respectively，the average annual growth rate is of 4.2%. The total donors and volume of apheresis platelet increased from 7 072 donors and 10 016 U in 2010 to 18 206 donors and 24 697 U in 2015 respectively. Blood donors concentrated in the 18 to 35 age group，accounting for 71.1% of the number of blood donors. The consumption of blood in medical institutions increasingly goes up at an average annual growth rate of 5.8%. Conclusion The consumption of red blood cells and plasma in medical institutions of Chengdu is increasing faster than whole blood collection，so we should continue strengthening the popularity and recruitment of voluntary blood donation

Key words: Number of blood donors, Volume of collected blood, Blood donation publicity