This study aimed to : 1) develop Spanish listening ability of Mathayomsuksa 4 students by using the B - SLIM learning model together with multimedia in order to help them at level 75% by number to pass 75% of classroom, 2) develop Spanish speaking ability of Mathayomsuksa 4 students by using the B - SLIM learning model together with multimedia in order to help them at level 75% by number to pass 75% of classroom. The target group were 27 students who studying Spanish SP31201 subject from Mathayomsuksa 4 students. Research tools consisted of the learning management B-SLIM with multimedia plans, the Spanish listening ability test, the Spanish speaking ability test, the student’s Spanish learning strategies observation form, and the student interview form. Statistics were used for the data analysis consisted of percentage, mean, and standard deviation scores. The study outcomes showed that 23 participants developed their Spanish listening ability passed 75% of the total score. 26 participants developed their Spanish speaking ability passed 75% of the total score, accounting for 81.82% of them developed more for developed more for their Spanish listening - speaking ability. Fluency in listening - speaking Spanish, even more can communicate basic Spanish clearly. Accordingly, the most participant’s have improved listening and speaking ability, can listening - speaking the important points needed to communicate.