目的通过对血源紧缺现存的问题进行分析,提出解决问题的对策。方法1)列举造成采供血矛盾的原因:无偿献血者的构成不合理,绝大部分来自大学生和外来务工人员,势必影响固定献血者队伍的建立;无偿献血量绝大部分来自街头采集:常常受到季节、人流量多少和人群构成比等因素影响,血站 Objective To analyze the existing problems of shortage of blood supply and propose solutions to the problems. Method 1) Cite the reasons for contradiction between blood collection and blood supply: The unreasonable constitution of unpaid blood donors, the vast majority of whom are from college students and migrant workers, will inevitably affect the establishment of contingent blood donors; the vast majority of unpaid blood donation comes from street collecting: Season, the number of people and the crowd constitute factors such as the impact of blood stations