To prevent a chemical solution from attaching on the face, the ear, the shoulder, or the like, upon hair dying in a home to enable a user to easily dye hair.

This hair dying sheet is prepared by boring a hole in a sheet and attaching rubber 2 and two sheets 3 around the hole, and put on the head. The rubber attaching part 2 reaches the neck via the rear side of the ear from the face line and the two sheets 3 are put on so as to respectively hang on the front of the ear to enable the tuft of hair under the temple to be easily dyed.