Objective To master the status of confidential unit exclusion among the blood banks across the country.Methods Questionnaires were delivered countrywide,including provincle and municipal blood banks. The situation of confidential unit exclusion during 2012 ~ 2014 was analysis. Results During 2012 to 2014,people asking confidential unit exclusion were 349,401 and 386 respectively in 181 provincial and municipal blood bank. And 611. 15,498. 15 and 649. 45 units blood were discarded respectively. According to ...