With the rapid development of science and technology, the technology beauty industry has emerged as a new type of industry. Fashion IT brands develop with the diversification of the market. In response to the increase in mobile phone brands and functions, it is diversified. According to the texture, the mobile phone protective shells are divided into PC shells, leather, silicone, cloth, hard plastic, leather cases, metal tempered glass shells, soft plastics, velvet, silk, etc. . The mobile phone protective case is not only used as an ornament to make your phone a landscape, but also can protect the phone, anti-drop, scratch-resistant, waterproof and shockproof.