Mobile phone shell

The utility model relates to a mobile phone shell. The mobile phone shell comprises a shell body which can be in buckling connection with a mobile phone body. The mobile phone shell is characterized in that a heating thermal-insulation element which is corresponding to a portion where the mobile phone body is assembled with a lithium battery is arranged inside the shell body; a power-supplying power source which is connected with the heating thermal-insulation element is also arranged inside the shell body; and the power-supplying power source is connected with the heating thermal-insulation element so as to form an thermal-insulation heating loop. Compared with the prior art, and according to the mobile phone shell of the utility model, the heating thermal-insulation element is arranged inside the mobile phone shell body; the power-supplying battery supplies power for the heating thermal-insulation element; after emitting heat, the heating thermal-insulation element can heat the lithium battery which contact