Implantation of national character values in the process of teaching and learning is a important. Implantation the value of characters in the learning process is expected to improve the student's personality to be even better person.The problem is now how to apply the value of the national character in learning especially science teaching and learning. The solution for this problem is to use the Contextual Teaching and Learning (CTL) approach. It is because the CTL component can facilitate the appearance of the national character value. Key Words: National Character Values, Contextual Teaching and Learning (CTL), Science Lesson