The invention relates to the field of detergents, and in particular to color-protecting clothes washing condensate beads and a preparation method thereof. The color-protecting clothes washing condensate beads are formed by a water-soluble film and a washing solution therein, wherein the washing solution is prepared from the following ingredients: propylene glycol, sorbitol, glycerol, dodecylbenzene sulfonic acid, ethanolamine, non-ionic surfactant, coconut fatty acid, maleic acid/acrylic acid copolymer, chelating agent, alcohol, a color protecting agent, deionized water, essence, a preservative, a bitter agent and enzyme. A product of the invention has very high detergency, and meanwhile, a color fading phenomenon caused by repeated washing of clothes is obviously improved.