Indoor air conditioner with lamplight effect and control method thereof

The invention provides an indoor air conditioner with a lamplight effect. The indoor air conditioner comprises a panel (10), a chassis, a controller (5), decorative lamps (3) at the peripheral positions of the panel, and backlight lamps (4) at the peripheral positions of the chassis, wherein the decorative lamps and the backlight lamps are a plurality of LED (Light-Emitting Diode) lamps including three colors of red, green and blue. The indoor air conditioner can be brighter and more colorful so that the problem that the color of the existing air conditioner is single is solved and the psychology feeling of a user can be scientifically optimized in a process of using the air conditioner by using the color. The invention further relates to a control method of the indoor air conditioner.