This book aims to comprehensively summarize the current research status of nanomaterials and cell biology. It highlights the biological effects and biomedical applications of nanomaterials for specific diseases, bone tissue engineering, and skeletal muscle regeneration. It also provides the details of the biomedical applications of nucleic acid nanomaterials in drug delivery carriers, antimicrobial therapy, vaccine, and neurodegenerative diseases. Therefore, this book renders the audience a better understanding of nanomaterials along with the diverse applications in the cell biology field from recent works to perspectives.