The present invention relates to a method for coloring the egg white after peeling the eggshells from eggs using an eggshell peeling apparatus, and an egg white-colored egg prepared by using the same. According to an embodiment of the present invention, the egg white coloring method is used to color the egg white of the eggs having the egg yolk arranged in the center through a predetermined process in various colors. The eggshell peeling apparatus includes: a supply hopper (10) supplying the eggs to the eggshell peeling apparatus; a conveying screw (20); a pair of peeling rollers (30) pulling the eggshells from the eggs in order to discharge the eggshells in a downward direction; a driving means (40) for driving the conveying screw and the peeling rollers; and an egg conveying means (50) for conveying the peeled eggs conveyed by the conveying screws to a side.본 발명은 소정의 과정에 의해 난황이 난의 중심에 위치되게 한 난의 난백에 다양한 색을 착색할 수 있게 한 난백 착색 방법 및 이에 의해 만들어진 칼라 계란에 관한 것이다.