The invention discloses a high-protective-property mobile phone shell. The high-protective-property mobile phone shell comprises a mobile phone shell outer shell, a mobile phone shell inner shell, elastic rubber and micro-fans. A cavity is formed between the mobile phone shell outer shell and the mobile phone shell inner shell, first springs are arranged at the positions, on the long sections between the mobile phone shell outer shell and the mobile phone shell inner shell, in the cavity, second springs are arranged at the positions, on the short sections between the mobile phone shell outer shell and the mobile phone shell inner shell, in the cavity, third springs are arranged at the positions, at the bottom between the mobile phone shell outer shell and the mobile phone shell inner shell, in the cavity, the two micro-fans are arranged at the positions, at the bottoms of the mobile phone shell outer shell and the mobile phone shell inner shell, in the cavity in a vertical symmetry mode, the four corners of the cavity between the mobile phone shell outer shell and the mobile phone shell inner shell are filled with the elastic rubber, multiple outer vent holes are formed in the surface of the mobile phone shell outer shell, and multiple inner vent holes are formed in the surface of the mobile phone shell inner shell. The high-protective-property mobile phone shell is simple and reasonable in structure and good in heat dissipation performance, meanwhile has good shock-proof performance, and has high promotional value.