There is provided a method for training a mimetic muscle, comprising preparing a massage roller, the massage roller including a roller base made of a material free of elastic deformation, and a plurality of elastic ridges formed on a circumferential roller surface of the roller base so as to continuously extend in a direction along an axis of rotation of the roller base such that adjacent ridges in a rotational direction of the roller base are spaced; and creating a certain facial expression on a face so as to contract, in a contracting direction, a mimetic muscle to be trained; and reciprocating the massage roller along a continuously extending direction of the mimetic muscle with a location of a face skin corresponding to one end portion of the mimetic muscle being pressed so as to pull the mimetic muscles in a direction opposite to the contracting direction.