The Present study aimed at investigating the effect of a Meta-memory Strategy on developing the secondary school Students' EFL translation skills. The study adopted the quasi-experimental design. Participants of the study were (sixty) first year secondary school students from Al Qawmia Al Arabia private schools, Zagazig, Sharkia Governorate, Egypt. Who equally devided into an experimental and control groups. The experimental group was taught through the Meta-memory strategy to develop their translation skills. On the other hand, the control group received regular instruction. To achieve the aim of the study, the researcher designed a questionnaire for determining the required translation skills approved by a panel of jury. Based on these translation skills, a pre/post translation skills test was designed. The data obtained were statistically treated through the SPSS program. The findings of the study revealed that the strategy of the Meta-memory strategy had a positive effect on developing the first-year secondary school students' EFL translation skills.