This study was performed for the enhancement of value as one category of art in floral art and design by the investigation based on general definitions, traits, purposes, requisites, category, and kinds of art in literature. Outlined result was conveyance of meaning and emotion, diversification in recognition and expression, skills for installation and handling, and pursuit of virtue and beauty. Universal traits of art were considered to include those of floral art and design. It was correspond with the existing definitions of floral art and design. In conclusion it shows one ground that floral art and design could be included into one category of art.