1, highlight the theme: in the shooting of medical beauty products or surgical procedures, the black background can make the details of the product or surgery more clear, highlighting the theme.
2, create atmosphere: when shooting high-end medical beauty programs, the black background can make the whole picture more atmospheric and high-end, so that people take these programs more seriously.
3, appear monotonous: although the black background can highlight the theme, such as the use of improper, will make the whole picture appear monotonous, lack of life.