The utility model relates to a mobile phone shell. This kind of mobile phone shell is elasticity mobile phone shell, do not is equipped with the round curved plates who is used for the reinforcing buffering in four exterior angles punishment of mobile phone shell, and the radian of backplate is unanimous with the radian at mobile phone shell exterior angle, leaves buffer space between backplate and the mobile phone shell exterior angle surface, and inclined plane connection mobile phone shell body is passed through respectively at the backplate both ends. Buffer space minimum clearance between backplate and the mobile phone shell exterior angle surface is 0.8 millimeter. The utility model discloses a set up the backplate on mobile phone shell's exterior angle, the backplate is with leaving buffer space between the exterior angle, greatly increased the cell -phone exterior angle absorb the ability of cell -phone kinetic energy down when falling down, reduce the impact to the cell -phone, improved the ability of falling of preventing, improve the protective capability to cell -phone and cell -phone screen, the improvement cell -phone is safe in utilization, has satisfied the user's request, is favorable to the marketing.