This study examined the extent of the teachers' of the first grade applying to the components of diagnostic evaluation in teaching dictation in Ma'an, and the answer two question this study, the researcher chose a sample consisting of (60) teachers (females) who teach this grade, holders of B.A degree. The researcher attended classes with these teachers and detected the notes by the remarks' card, and spotted remarks by Card note that by The Reliability and The Validity was 0,84. Data were statistically analyzed and the study concluded that the teachers who teach dictation apply the components of the diagnostic evaluation, and also showed that there was no statistically significant differences due to the variable of the four educational directorates in Ma'an, which show that the teachers apply the contents of the training courses that are conducted by the Ministry of Education to qualify them for teaching. The researcher proposed a set of recommendations mentioned at the end of the study.