自上世纪1980年代,欧美等发达国家就已经对无偿献血人口学和献血模式进行了深入的研究[1]。我国无偿献血起步较晚,如何建立一支稳定的无偿献血队伍、保持固定无偿献血人群在维持稳定的血液供应链中的作用以及献血者年龄构成比、临床用血情况等都是我们要关注的焦点。本文仅对杭 Since the 1980s, the developed countries such as Europe and the United States have conducted in-depth studies on the demographic and blood donation patterns of unpaid blood donation [1]. How to establish a stable unpaid blood donation team and how to maintain the role of a fixed unpaid blood donor population in maintaining a stable blood supply chain, as well as the age composition of blood donors, clinical blood use, etc. are all the concerns of our country focus. This article only for Hang