In 2002, he played the role of Ha Ji-won's friend in the Korean movie "Color is Empty" starring Ha Ji-won and Im Chang-ding. In 2003, he released his first solo album So Won No.1 (Single).

In 2006, Han So-won and Jang Nara performed on stage in 11 provinces and cities in China, including Beijing and Tianjin, and took on commercials for plastic surgery hospitals and weight-loss products in China. Because of their sweet smiles and sexy figures, they also He was once famous. In addition to starring in movies and TV series, he also released an album and worked part-time as a yoga instructor. He has settled in China for a long time.