The article discusses in depth the fashion and function of hairpins, whose origins can be traced back to ancient times. Today, hairpins have become a diversified fashion accessory with a wide variety of materials including metal, plastic, resin, pearl and crystal in different styles to meet various needs and personal preferences. In addition to fixing and decorating hair styles, hairpins have other practical uses, such as making bookmarks, fixing tape, etc. At the same time, the style and material of hair clips are also constantly innovating, and retro style and personalized hair clips are more and more popular with women.