Abstract: Provided is an avatar service system and method that are provided through a network. The avatar service system may include a request receiving unit to receive a request for an avatar to perform an action, a data extracting unit to extract metadata and image data corresponding to the request from the database storing the metadata with respect to the action of the avatar and the image data for a plurality of layers forming the avatar, and an avatar action processing unit to generate and provide action data for applying, to the avatar, the action of the avatar corresponding to the request using the extracted metadata and the extracted image data.