Son Mi -na had their Olympic debut at the 1984 Summer Olympics in Los Angeles. She moved with the team to the final where she was defeated, however. So she won the silver medal in handball tournament. Four years later at the Olympic Summer Games 1988 Son Mi -na was speaking during the opening ceremony of the Olympic oath together with the basketball player Hur Jae. In the tournament, the South Korean team reached the final, where she won the gold medal.