In order to promote better understanding among the different ethnic groups living in Taiwan, some of Yu's other modifications of Hanyu Pinyin are intended to make it suitable for the romanization of Hakka and Taiwanese.
同時，為了增進台灣各族群對彼此語言的瞭解與親近，也讓這套系統儘可能可以拼寫同屬漢語系的客語，以及與傳統的台語拼音更接近。