At age 13, she began her journey in shooting, influenced by her schoolmates. Competing for the Republic of Korea, she made her international debut in 2012 at the Asian Championships in Doha, Qatar. Her right eye and right hand are her dominant sides in the sport.

| Season | Event | Rank |
|---|---|---|
| 2016 | Women's 25m Pistol | 9 |
| 2012 | Women's 25m Pistol | G Gold |
| 2012 | Women 10m Air Pistol | 13 |
She made history by becoming the first Korean female shooter in 20 years to win gold at the Olympic Games. She achieved this milestone in the 25m pistol event at the 2012 London Games. The last Korean female shooter to win gold was Yeo Kab-Soon in the 10m air rifle at the 1992 Barcelona Games.
In 2014, she began experiencing shoulder inflammation, which continued to affect her ahead of the 2016 Olympic Games. Despite these challenges, she remained committed to her sport and continued to compete at a high level.
Her sporting philosophy is clear: "People fail, not because they aren't talented but because they do not have a purpose." This motto has guided her through various stages of her career. She also looks up to Korean shooter Jin Jong-Oh as her idol.
Looking ahead, she plans to continue competing and aims to participate in upcoming international events. Her focus remains on representing the Republic of Korea and achieving more success in her sport.
Her journey from a young girl influenced by her peers to an Olympic gold medallist is a testament to her dedication and hard work. As she continues to compete, she remains an inspiration for aspiring athletes in Korea and around the world.
At age 13, she began her journey in shooting, influenced by her schoolmates. Competing for the Republic of Korea, she made her international debut in 2012 at the Asian Championships in Doha, Qatar. Her right eye and right hand are her dominant sides in the sport.