Lee Chih-Kai first performed as a member of the national team in the 2014 Incheon Asian Games. He was ranked 6 in the individual all-round event, 8 in the floor exercise event, and 5 in the vault event. In 2015, Lee represented National Taiwan Sport University (NTSU) at the National Intercollegiate Athletic Games. He won the silver medal in the individual all-round event and three gold medals in the floor exercise, pommel horse, and parallel bars events. In this game, he again hurt shoulder and wrists, which were injured before.