2008年1月全国十几个省市遭受冰冻雨雪灾害,西安地区同样遭遇到50年未遇的冰雪天气,1月中有14 d下雪,最高温度0℃的时间有10 d,本中心血液库存量3 d供血量的时间有7 d。期间西安未在媒体上报道血液库存情况,也未启动应急流动血库。我们对这期间参加献血的人群资料进行了统计 In January 2008, over a dozen provinces and cities in the country suffered from freezing rain and snow disasters. Xi’an also encountered snow and snow weather that had not encountered in 50 years. In January, there were 14 days of snowfall and the maximum temperature was 0 ℃ for 10 days. The Center Blood stock 3 d blood supply time of 7 d. During the Xi’an did not report in the media, blood inventories, has not started emergency flow blood bank. We have statistics on people who participated in the blood donation during this period