摘要:AbstractTeaching L2 is a very broad area. It includes skills, vocabulary, grammar, and etc. Having positive or negative attitude toward L2 you learn directly affects your proficiency level in L2. Changing negative attitude toward L2 into positive or helping learners to have positive attitude toward L2 may be one of the most important steps in L2 teaching. This study aimed at investigating the effects of teaching core values in L2 which is actually done in learner L1. In order to see if there is any effect of teaching core values in L2 on learners’ attitude toward L2, both qualitative and quantitative research were conducted. In quantitative part, students were interviewed, observed and analyzed through their documentation. In qualitative part, students were given a survey questionnaire at the beginning and at the end of the research. Results were compared with the help of SPSS. Quantitative and qualitative results showed compatibility. Results suggested that students’ attitude toward L2 can change through teaching core values in L2.