In teaching English, there are various Media used by the teachers especially for elementary school such as flashcard, picture of story book, songs, and movies. Flashcard is an appropriate media for teaching elementary students to learn about English beacuse it can ease the students to learn new language especially English. This research aimed to know the teachers’ perception on using flashcard as learning media at focusing on the strengths and the weaknesses of using flashcard as learning media used by the teachers at elementary school. Descriptive qualitative was used in this research. In this research, the researcher used interview to get the data. Besides, this research was conducted at one of elementary schools in Bantul, Yogyakarta. There were three teachers of elementary school as the participants of this research. Besides, the findings showed those six strengths and three weaknesses on using flashcard as learning media in elementary school. This research found six strengths and three weaknesses of using flashcard as a media in elementary school. Those strengths of using flashcard as a media were developing students’ vocabulary, understanding the material eaisly, creating fun learning, enhancing students’ creativity, having pictures and colour, and becoming simple and effective media learning for English. Besides, the participants also declared that there were three weaknesses of using falshcard as learning media at elementary school were learning new vocabulary, becoming too small flashcard size, and focus on sense visions only.