The present invention relates to a self-customizable micro LED garment capable of changing colors and patterns like a TV screen and, more particularly, to a useful invention comprising: a garment (100) composed of upper and lower garments (110, 120) worn on a wearer's body; a transparent micro LED display skin (300) coated on the surface of the garment (100); a master unit (400) and a remote slave (500) inside the upper and lower garments (110, 120) of the garment (100); and a smartphone (600), wherein the transparent micro LED display skin (300) is selectively controlled by means of an application installed on the smartphone (600) by the wearer to express a variety of colors according to the current situation of the wearer.