The utility model belongs to the technical field of
mobile phone accessories, and particularly relates to an extensible
mobile phone shell which comprises a
mobile phone shell body. A lens frame is arranged on one side outside the mobile phone shell main body; a charging groove is formed in the end, away from the lens frame, in the mobile phone shell body. A key groove is formed in one side of the outer part of the mobile phone shell main body; a heat dissipation
assembly is mounted in the mobile phone shell main body; when a mobile phone runs a large game at
high intensity, a large amount of temperature is generated, and the high temperature is accumulated in the mobile phone, so that the mobile phone is hot, the mobile phone is blocked, the game
frame rate is influenced, and the game experience of a user is poor, therefore, when the mobile phone runs at
high intensity, heat is conducted out through the heat dissipation
assembly, and the temperature in the mobile phone is reduced; and the game can be smoothly operated by the mobile phone under a high-strength operation working condition.