On the morning of March 17 1 1, Li Shiying participated in the 7th Korean Women's Newcomer Amateur Boxing Championship held in Anton Indoor Gymnasium, Gyeongsangbuk-do, and won the women's 48kg class champion in one fell swoop, which was her third boxing champion. The event was sponsored by the Korean Boxing Amateur Federation. Li Shiying, with a height of 169cm, effectively used his slender arms to organize intensive attacks after the start of the game, and his powerful straight and facial attacks quickly made his opponent Cheng Sumei lose his offensive ability. Under the intensive boxing, Cheng Sumei couldn't fight back forcefully. Li Shiying forced his opponent to make a mandatory countdown of 8 seconds in the second and third rounds respectively. The fierce attack made Li Shiying's opponent give up the game after the third round, and Li Shiying, who won the championship, wept with joy, showing that the championship was hard-won.