This research was aimed to examine on the average level of intercultural sensitivity and social intelligence of EFL internship undergraduate learners. In addition to propose the correlation between intercultural sensitivity and social intelligence, the methodology segment of this investigation incorporates the populace, members, the instruments, the information assortment methodology, and the information examinations strategy of this investigation. The researchers decided the research by utilizing mixed-method research paradigm. The findings indicate that intercultural sensitivity and social intelligence have some positive effects on EFL internship undergraduate learners' performance. The correlation and distinction can be end up being measurably critical in the intercultural sensitivity and social intelligence for social contrasts temporary internship workplace. The purposes behind the positive correlation are on the grounds that individuals will participate in intercultural collaboration when undergraduate learners able to communicate with people in different societies. Additionally, they may learn more knowledge on different societies in correspondence. Furthermore, they could learn more about social intelligence in communication. The more they learn about different societies, the more they value cultural differences.