Jewelry in movies often represents wealth, status and power. The luxury and brilliance of these jewels can attract the attention of the audience and arouse their interest. At the same time, jewelry is also one of the incredible details in the film, which enhances the visual effect of the blockbuster and brings more sensory enjoyment.

Jewelry in the film symbolizes different meanings, such as "diamonds are eternal love", gold represents power and status, and pearls symbolize purity and elegance. In Titanic, in the center of the sea, diamonds symbolize wealth that has nothing to do with love, which makes people jealous. In Sex and the City, jewelry is a symbol of the heroine's high-quality life.

Jewelry in movies is not only physical, but also plays an important guiding role in the development of the plot. The story of jewelry being stolen, struggling or rescued brings the audience into the story of the film. In Jewellery, Gao, the owner of a jewelry store, had to rent jewelry mortgaged by his neighbor in order to repay a high loan, which entered a series of adverse events.