As we know that the development and progress of science and technology more rapidly today, directly or indirectly, in the world of education would have the effect of advances in science and technology. In the daily reality of the problems faced is how the religion teacher educators can do their job properly, because lately many learners are still lacking in understanding Islam. Whether this is due to the students who are still less active in following the teaching and learning process on the part of the teacher or the lack of attention to teaching methods, causing students to become apathetic and less motivated to learn. While it is known that the process of delivering a teacher in the padasiswa greatly influenced by how to implement learning methods, such as the assignment method that can motivate student learning. Starting from these ideas, the author is interested in conducting research on: Effects of Assignment Method Against Student Motivation in the subject of PAI Class XII at SMK Negeri 2 Kediri in the academic year 2013-2014.                This research is a quantitative research. The study population was all students of class XII SMK kediri which Muslims are 319 students. While the sample in this study were 175 students. Sampling was determined by random sampling technique. The collection of data by using questionnaires and documentation. While statistical data analysis product moment formula effect.                Based on the results obtained a conclusion that Assignment Method Class XII PAI at SMK Negeri 2 Kediri 2013-2014 school year included in the category enough. It is based on the acquisition of real score with the average value (Mean) are 130.86. While the student's motivation is also in fair category based on the acquisition value of the average (mean) of 116.55. Based on calculations of influence, it can be deduced that there is a strong and significant influence between the Assignment Method on the students motivation in class XII PAI subjects at SMK Negeri 2 Kediri 2013-2014 school year. The magnitude of the influence coefficient is 0.616, while the result obtained significant effect of value = 10.2858. The value is greater than = 1.654 at 5% error rate. While the determination coefficient test result 0,37,94. this means that 37.94% of the Assignment Method affect class XII student motivation on the subjects of Islamic Religious Education at SMK Negeri 2 Kediri 2013-2014 school year. Key words : Assi