ABSTRACT
【Objective】 To analyze the network public opinion on national blood safety in 2019, so as to effectively deal with and prevent the risk of it and create a favorable climate for voluntary blood donation. 【Methods】 Keywords such as blood donation policy, blood supply and blood transfusion risk were set up in TRS OM 5.0, and the network public opinion on national blood safety in 2019 was collected. The trend of network public opinion, regional distribution and key public opinion events were analyzed. 【Results】 A total of 2 299 581 pieces of public opinion information were collected in 2019. The trend was seasonal. The information was relatively intensive in February, April, June and December, during which hot events happened frequently. The information mainly concentrated in Beijing, Shanghai, Jiangsu, Shandong and Zhejiang. In terms of microblog netizens’ opinion. 57.1% tended to support, and 31.9% showed no support. The top 10 network public opinion events on national blood safety in 2019 were selected according to the heat value, among which 8 were positive and 2 were negative. 【Conclusion】 Network public opinion on blood safety in 2019 was mainly positive. The most intensive public opinion mainly concentrated in Beijing, Shanghai, Tianjin, Hainan, Qinghai, and Chongqing. However, as a province with a large number of ethnic minorities, Qinghai, ranked among the top 5 in China in terms of the network public opinion on blood safety per thousand, which deserved special attention and further analysis.