Mobile phone shell

The utility model discloses a mobile phone shell, which comprises long straight body position assemblies and short straight body position assemblies, wherein the long straight body position assemblies are detachably connected with the short straight body position assemblies through corner position assemblies so as to form a closed rectangular frame body structure, and the inner side of the rectangular frame body structure is provided with a groove used for embedding a mobile phone. According to the utility model, the mobile phone shell with the rectangular frame body structure is adopted to protect easily damaged parts of the side surfaces of the mobile phone, thereby being capable of not affecting heat dissipation of the mobile phone while protecting the mobile phone, and not blocking the appearance of the mobile phone; a detachable connection mode is adopted in the embodiment in order to prevent occurrence of problems similar to inconvenient installation of an existing mobile phone shell, thereby being convenient for users to install the mobile phone shell; and as for a mobile phone which is not provided with rounded corners, the corner position assemblies are taken down directly, thereby being applicable to various types of mobile phones, beautiful in shape and capable of greatly reducing the material cost compared with an existing mobile phone shell design.