The current study aims at develop sexual awareness for the mothers whose children are  mentally retarded, aging from to 9 to14 years old. their IQ levels rang are from 55 to 79, according to the Stanford Binet Scale. These children  frequently attend the Suez Canal Authority hospital in Ismailia city. The mothers ,were included in the study fall within the age range of (30 to 50) years old, with an average age of 38.7 and a standard deviation of 10.98  for there mother (N = 10). The researcher has used a questionnaire of sexual Awareness (Mahmoud, A.(2023), and a developing program  (20) SETION Sexual Awareness program experimental group (N=10) and control group and  (N 10) exhibit a decline in their level of sexual awareness, as evidenced by their responses to a researcher-conducted questionnaire. The results of the research stress the effectiveness of  rational emotive behavior program for developing the sexual awareness of the mothers of these mentally retarded children.