It is a kind of jewelry fixed on clothes with hooks, and it can also be considered as a decorative pin. It is usually made of metal, with precious stones and enamel embedded in it. Can be used for pure decoration or with the function of fixing clothes (such as robes, cloaks, scarves, etc.). A brooch is a needle worn on a coat. Huacheng No.5, 198 1: A lavender brooch with synthetic diamonds is often pinned to the lapel of a suit.