At the age of 16 she was see on the international events, at the Youth Olympics she reached the Quarterfinals and with the team the 4th place and climbs in the world ranking to place 121. At the China Open 2013 Kim took part in the U21-class, there she came to the semifinals. This was er first medal on the World Tour. At the Asian Games 2014 Kim took bronze with the Korean Team. 2015 she took part in the Asian Championships, the China- and the Pyongyang Open, where she beat amongst other things the top player Mima Ito. 2016 Kim became the third place with the team at the Team-Worldchampionships 2016 in Malaysia and was nominated for the Olympics, there she as recently as lost in the semifinals against Ding Ning. In this month she came on place 26 in the world rankings. At the Pyongyang Open in the same year, she came to the final, where she beat the defensiv- player Ri Myong-sun, too. In the doubles she took gold, too. At the World Championships 2017, she reached the Round of 16, where she lost to Liu Shiwen. 2018 she took bronze with the team at the World Team Cup. In the semifinals they lost to China.