Zhang Lin, who studied folk dance since childhood, realized the dancer's dream in the play, and personally completed a large section of Korean dance pictures in the play. After Tide of the Two Rivers, Bai Wei once again played a veteran in the play. In order to understand the living customs and cultural background of the Korean people, Chen Yiheng read a lot of historical materials before filming. In order to play a good role, Sun Xi once practiced Korean dance hard. Choi Eun-hye, a Korean girl who plays "Little Yu Shun", always smiles when filming in extremely cold weather.