In this paper, it has been researched that the relationship between the color preference and the color of their clothing of children. The relationship has been checked by the methods of selecting the favorite color, painting colors on papers and choosing the clothing according to the favorite colors. The results have been summarized as follows : (1) The children preferred to blue. (2) The female children like more red color than the male children. (3) Yellow has the highest preference among ten colors. (4) The children react differently according to the condition of colored substances.