This paper is a study on the problems about educational contents for Hangeul in Korean language education. Focusing on achievement standards of educational contents related Hangeul, by analyzing the current curriculum and textbooks of Korea language education, we confirmed a few problems. The result of this paper is as follow. 1. The several problems about terms in the textbook (1) ``alphabets`` and ``consonants and vowels`` (2) gahoek[stroke addition] (3) ``phonemes`` and ``the phonetic alphabet`` 2. Problems about the interpretation for ``the king Sejong``s preface of Hunminjeongeum`` 3. Confusions of the principle for creating vowel alphabets 4. Problems about learning activities related the notation of borrowed character