[Problem] To provide a method for producing a population of genetically diverse regenerated T cells via iPS cells, and to provide said population of regenerated T cells.[Solution] A method for producing a population of genetically diverse regenerated T cells via iPS cells, including: (1) obtaining a population of T cells that can recognize a target tissue or antigens from a population of the genetically diverse T cells； (2) reprogramming the obtained the population of T cells into iPS cells, culturing the iPS cells while maintaining genetic diversity； and (3) producing a population of the genetically diverse regenerated T cells from the iPS cells.
