The difficulty of grammatical understanding and the student's reluctance to study the Arabic language is one of the main disabilities that pupils suffer from in general and the nuclei of learning disabilities in particular. A program based on mind maps. And it was conducted on (30) male and female pupils in the fourth grade of primary school ,in kafr Shalshalamon, primary school , their chronological average age (10.65) ,standard deviation (1.31), and they were distributed into two groups , an experiment and a control, and the use of a grammatical understanding test, and a program to develop grammatical understanding using mental maps ( prepard by the researcher) stanford Bine intelegence test, rapid neurological survey scale, and date analysis. The average, standard deviation, wilcoxon test, and Mann-Whitney test were used. The results showed the effectiveness of the program in developing grammatical understanding. statistically significant differences were found between the mean scores of the experimental group on the achievement test. Grammar in the pre-and post-tests in favor of the post-measurement, and there were also statistically significant differences between the mean scores of the experimental and control groups in the post-measurement in favor of the experimental group. Key words: mental maps, grammatical understanding, enhancing the Attitude, among primary school pupils, with learning disabilities.