The invention discloses a fruit coloring adjunct and a method for promoting fruit coloring with the same, wherein the fruit coloring adjunct comprises anthocyanosides liquid, also can comprise at least one of photosynthetic bacteria, chitin, chitosan, chitosan oligosaccharide, monopotassium phosphate, lemery and wetting agent. Within one to forty-five days before picking up, the fruit coloring adjunct is sprayed to the surface of fruit once to five times. The effect of directly spraying the fruit coloring adjunct to the fruit is better than the effect of spraying the fruit coloring adjunct toleaf surfaces. No harmful substance remains in the fruit by using the method, and the sugar content and the hardness of the fruit are enhanced. The invention is suitable for fruit, such as apples, grapes, cherries, tomatoes, and the like, and has important meanings for enhancing the fruit valve, increasing the export yield, and enhancing the income of peasants.