An electronic device and a method for changing housing colors thereof are provided. This electronic device comprises: a power supply, a display screen, a housing (7), a user operation interface (1), a master controller (3), and a control circuit (5), wherein the housing (7) is configured to have multiple independent color-variable units, and each color-variable unit, which is connected to the power supply, is made of electrochromic materials with capacity of memory respectively; the user operation interface (1) is configured to receive an instruction inputted by a user for selecting a housing pattern; the master controller (3), which is connected to the user operation interface, is configured to convert the selected housing pattern into a first control signaling, and then to output the first control signaling; and the control circuit (5), which is connected to the master controller (3), is configured to receive the first control signaling, and to convert the first control signaling into different voltage signals and to control each color-variable unit of the housing (7) to change the color. By adopting this electronic device and the method for changing housing colors thereof, the housing patterns of electronic devices can be changed by following users' demands, which improves users' experience.