This study is based on the importance of student’s understanding on word order but in fact the students’ ability in comprehending grammar is low. The problem of this research can be stated as follow:
1. How scrambled words are implemented to improve student’s understanding on word order of 7th grade students of SMPN 23 Mijen Semarang in the academic year of 2010/2011?
2. Can scrambled word improve the student’s understanding on word order of 7th grade students of SMPN 23 Mijen Semarang in the academic year of 2010/2011?
Its purposes are:
1. To describe the implementation of scrambled word to improve student’s understanding on word order of 7th grade students of SMPN 23 Mijen Semarang in the academic year of 2010/2011.
2. To identify the improvement of student’s understanding on word order after being taught through using scrambled word of 7th grade students of SMPN 23 Mijen Semarang in the academic year of 2010/2011.

This study is a classroom action research that was done in three cycles. Data collection was done using observation and test. To analyze the data on student’s understanding, descriptive quantitative analysis was used.
Result of the study shows that by using scrambled word to teach word order at SMPN 23 Mijen Semarang, students’ understanding on word order can be improved.
This successfulness can be seen from the result of students’ average score and good responses by students. The result after getting all of the treatment using scrambled word, the students’ average score increased. Students’ average score from the first cycle was 6.53, second cycle was 7. 78 and the third cycle was 8.33.
The result of this study is expected to be information for teacher of English subject in teaching word order.