Audio media “ABC” (Aku Baca dalam Cerita) a learning media that introduces letters through stories for Early Childhood Education aged 5-6 years. To find out the success of the media, it is necessary to evaluate: Is ABC audio media can help introduce alphabet on early childhood learners? How the level of development of the language aspects of students after learning with ABC audio media? Evaluation of the use of audio media ABC aims to know the audio media ABC in introducing letters to students in early childhood and to determine the development of language students with learning ABC audio media. This research was conducted for 10 days on 1-14 August 2017 in ABA Gamping TK, Sleman, Yogyakarta. The population of this research is all of ABA Gamping TK students with the sample of 40 PAUD students. The results of this study obtained data that the level of developmental achievement of students aged 5-6 years in recognizing the letter pattern was good. Thus it can be seen that ABC learning audio media can help in introducing letters to students in early childhood. At the level of achievement of language development, it is shown that most students can achieve the predetermined indicators. This shows that ABC audio media can improve language development in early childhood education. However, there is still a need for variations in the presentation format in ABC learning audio media programs to stimulate the imagination of students in early childhood and the need for supporting materials that can stimulate the students' creativity.