The purpose of this study was to study on facilitative role of body language in Iranian learners’ achievement. The participants in this study were 40 students of level one studying in Language Institution. They were both male and female classes whose their levels of education were approximately the same because they were beginners of English learning, ranging in age from 8 to 13 years. The researcher wanted to find if there was facilitative role of body language in Iranian learners’ achievement. To obtain the required data pre- test and post-test were used: The two-ways analysis of variance (ANOVA) test was used to analyze results. Through the two-way ANOVA, the researcher could compare the effects of body language on learning of words in the participants. The results of the study suggested that there was a positive significant relationship between these variables. The results showed significant differences between experimental and control groups displaying that experimental group outperformed control group.