This popular science book systematically introduces major scientific and technological achievements in the field of cells and stem cells, and the conveniences they bring to human life. It covers plant cloning, animal cloning, human cloning, biological missiles, biological drugs, immunocytotherapy, stem cell therapy, stem cell bank, 4D printing, 5D printing, CAR-T technology, and other frontier fields, which reflect the latest progresses and development trends of life sciences. The book is both interesting and rich in information, revealing the magic and mystery of life sciences.