In the Hematology Ward of the Northern Theater Command Air Force Hospital, a sergeant from a certain Air Force aviation unit traveled for 5 hours to collect and successfully donated 296 milliliters of hematopoietic stem cells, bringing hope to leukemia patients. So far, Zhou You has become the 18121st case of the Chinese Bone Marrow Bank, the 330th case in Liaoning Province, and the first hematopoietic stem cell donor in his unit. In 2013, when Zhou You donated blood, he learned that donating hematopoietic stem cells could save the lives of blood disease patients. Without hesitation, he chose to collect blood samples and add them to the Chinese bone marrow bank. In May of this year, he received a call from the Red Cross informing him that he had successfully matched a leukemia patient. When asked if he was willing to donate, he readily agreed and reported the situation to the organization as soon as possible. The idea of donating hematopoietic stem cells by Zhou You has received strong support from the military. The unit leaders led the health department to the hospital to understand the medical risks and make every effort to do a good job in hospital support. During the collection period, accompany and encourage throughout the process to ensure smooth collection, donation, and physical recovery. In order to ensure that the body meets the donation requirements, Zhou You began to strengthen physical exercise after receiving the notice. On June 24th, he began receiving mobilization injections for 5 consecutive days in the hospital to induce bone marrow hematopoietic stem cells into peripheral blood, in preparation for the collection of hematopoietic stem cells. Offering blood without hesitation, lighting up life and showing great love. The news of Zhou You donating hematopoietic stem cells quickly spread in the unit, and the officers and soldiers praised and paid tribute one after another. Instructor Gao Yifei said, "Zhou You is always willing to help others and enthusiastic about public welfare. In high school, he was reported by local newspapers for helping car accident victims. Before donating hematopoietic stem cells this time, he had donated a total of 2100 milliliters of blood six times. After joining the army, he has always been dedicated to his job, practiced his skills hard, and served in the squadron for three years, receiving unit awards every year