<p>The present invention relates to a scaffold for transplanting a stem cell comprising a carbon nanotube without cytotoxicity, and a composition for stem cell therapy comprising (a) a stem cell; and (b) a carbon nanotube serving as a stem cell scaffold without cytotoxicity. The scaffold for transplanting stem cells comprising carbon nanotubes show excellent effects without cytotoxicity on networking between differentiated stem cells and tissues present in transplantation sites, thereby showing significant cell therapy efficacy.</p>
