Sun descendants are heavily invested, shooting outdoor scenes in 4 countries Greece, Thailand, Australia and Korea. Battlefields, armies, planes, vehicles, and guns are mobilized so that the scene is most effective. In the behind-the-scenes photos, fans noticed that the scene in the movie was picturesque but also very honest when recreating the fight scene.

The beauty of the main cast is also appreciated, the Song - Song couple is as beautiful as possible despite the difference with age.