Mobile phone shell

The utility model discloses a mobile phone shell, which comprises a mobile phone shell body, the mobile phone shell body comprises a back plate, a side plate and a top frame which are sequentially fixed, a mobile phone is tightly embedded in a cavity defined by the back plate, the side plate and the top frame, and four buffer cavities are defined by the mobile phone, the back plate, the side plate and the top frame. Four corners of the mobile phone are respectively limited in the four buffer cavities, the back plate made of a transparent material is outwards sunken to form a containing groove and a sealing bag groove, the sealing bag can be embedded into the sealing bag groove after being wound and folded, and the back plate, the side plate and the top frame can be placed in the sealing bag in a sealed mode. According to the utility model, the arrangement of the buffer cavity ensures that the mobile phone shell body can effectively protect four corners of a mobile phone; according to the mobile phone shell, t