Earth is the cradle of mankind, but mankind will not stay in the cradle forever. Rushing out of the earth to explore the vast universe is an eternal dream of mankind. However, as human beings, we must solve a series of problems when entering space, one of which is how to survive in space for a long time. In this course, general designer & principal scientist of Lunar Palace 1, Professor LIU Hong from the School of Biological Science and Medical Engineering of Beihang University, will introduce and elaborate the details of the comprehensive experiment of the bioregenerative life support system (BLSS), and share with you how we human beings can achieve long-term survival in space.