Ornamental sunflowers have gradually emerged with their rich flower types and colors, and have become a new favorite for sightseeing tourism and fresh cut flowers. They are widely used in garden landscape construction and the flower industry. This study provides an overview and analysis of the biological characteristics, variety use,breeding status, breeding, cultivation techniques, and benefits of ornamental sunflowers, summarizing years of research experience, in order to provide reference for the research and development of ornamental sunflowers.