This research entitled An Analysis on The Factors Causing English Learning Difficulties. This research’s purposes are to know the most dominant factor causing English learning difficulty internally and externally, and to relate those dominant factors upon students’ achievement. The research was conducted to the ninth grade students of SMPN 22 Pontianak, consisted 122 students by giving each of them a questionnaire. The questionnaires showed that self confidence was the most dominant internal factor 76, 37%(poor to average) while teaching media/aids 80, 89%(poor) was considered as major external factor in contributing English learning difficulties. Students’ self confidence categorized as poor to average because students were afraid of making mistake related error, never consult English problem to the teacher, and no open discussion to parents. On the other hand, teaching aids was considered as major because there is no sufficient textbook, and limited media of language teaching and learning.