The present invention relates to a mobile phone case which can perform both a function of enclosing and protecting a mobile phone and a decorative function or an entertaining function so as to satisfy various needs of users, and in which a decorative member can be formed to have improved entertaining function or improved decorative function, and in which the decorative member can be replaced by various decorative members according to the needs of users to enable the mobile phone case to perform more various decorative functions or entertaining functions.
