Core Viewpoint - The article highlights the comprehensive process of blood donation, testing, preparation, and distribution in Beijing, emphasizing the importance of safety and efficiency in blood supply management [1][2][8]. Testing - Each blood bag is assigned a unique "ID" for tracking, which includes blood type, operator information, and a QR code for identification [2]. - Blood samples undergo rigorous testing for various diseases, including HIV, hepatitis B and C, and syphilis, using two different types of test tubes for serological and nucleic acid testing [2][3]. - The entire testing process involves over ten steps and takes a minimum of five hours to complete [3]. Preparation - Blood is processed in a 300-square-meter facility where it is separated into over 30 different blood products tailored to specific medical needs [4][5]. - The preparation of blood products must adhere to strict temperature and time requirements to ensure safety and efficacy [5][6]. - Each blood bag is carefully examined before processing to ensure quality, with specific procedures in place for any abnormalities detected [6][7]. Distribution - The blood supply center coordinates with over 150 hospitals to meet daily blood demand, with a total supply of nearly 200 tons of blood components provided in the previous year [8][9]. - Blood products are stored in specialized cabinets, categorized by hospital and blood type, ensuring quick access for emergency needs [9]. - The supply center prioritizes urgent medical needs, ensuring that critical cases receive timely blood support [9]. Extension - Beijing has established 84 blood donation sites, with plans for further upgrades to enhance donor experience, including the introduction of a new 3.0 version blood donation cabin [10][11]. - The city has achieved a blood donation rate of 20.1 per thousand, nearing developed country standards, but still faces challenges in maintaining adequate blood supply during emergencies [11].