Waterless dyeing in solvent dyeing, dye sublimation dyeing and supercritical CO₂ dyeing were introduced. Research progress of equipment and application for supercritical CO₂ dyeing at home and abroad were summarized. The existing deficiencies in the development and application of supercritical CO₂ dyeing technology were summed up. Development prospect of supercritical CO₂ dyeing were pointed out.