As volunteer activities, college students take the initiative to participate in blood donation, donate their own blood for free, and contribute to social welfare undertakings. Blood donation is also a public welfare activity, which can help treat patients, meet medical needs and make positive contributions to social health. College students' blood donation is not only a voluntary behavior, but also a manifestation of dedication and care for society.
When nucleic acid becomes a part of daily life, time is counted in hours for nucleic