1. A method for achieving emotional Text To Speech (TTS), the method comprising the steps of: receiving text data; generating an emotion tag for said text data by a rhythm piece; and achieving TTS to said text data corresponding to said emotion tag, wherein said emotion tag is expressed as a set of emotion vectors; wherein each emotion vector comprises a plurality of emotion scores which are given based on a plurality of emotion categories; and wherein at least one of the steps is carried out using a computer device.