The Shenzhou-21 crew has been on an extended 'space mission' for more than three months, systematically executing a diverse array of tasks last week. In the realm of space medicine experiments, the crew adeptly collected, processed, and conducted research on blood samples, contributing valuable insights to the field. In the domain of microgravity physical science, they meticulously performed maintenance on multiple pieces of experimental equipment and replaced samples, ensuring the smooth progression of scientific inquiries. Regarding in-station environmental monitoring and equipment upkeep, they carried out comprehensive thermal environment monitoring, air cleanliness testing, and other essential tasks to maintain optimal conditions aboard the spacecraft. For health management, they engaged in targeted exercises using specialized devices and underwent multiple medical examinations to safeguard their well-being during the prolonged spaceflight.