大韓民国臨時政府
In 1923, at the recommendation of the Provisional Government of the Republic of Korea in Shanghai, she entered the Republic of China Air Force School in Yunnan, graduating in 1925. She was the only woman in the first graduating class. After graduation, she was stationed in Beijing, and then relocated to Nanjing in 1927. By 1940, she had achieved the rank of lieutenant colonel.