摘要:This paper is a comparison of the impact of using bilingual instruction and the use of L2 on learners’ learning improvement. The mixed mode is used to determine the use of mother language (L1) as a resource helped the students in learning. The respondents were selected from faculty of Management in UTM, Malaysia. They used rarely English language outside of the school and had average level of English language proficiency. In this paper, it also distinguished resource, difficulties and challenges which the students faced in using bilingual instruction. The questionnaire was used to determine students’ perceptions and data was analyzed by SPSS. In addition, the data was collected from interview which is transcribed and described. The results indicated that L1 in UTM can be used as a resource to teach specific subjects to students. According to the results, respondents had positive attitudes about using bilingual instruction in the class and it was effective on students’ leaning improvement. Based on findings, it is hoped that positive feedback in this research provide a reason why L1 should be used in teaching and look it as a resource for language learning in the future.