By reviewing all experimental and quasi-experimental studies on the teaching and learning effects of mind mapping that met specific criterion in meta-analysis, we try to approach to the potential benefits of mind mappings in learning and teaching and find out what are the key factors in the benefits so as to achieve the goal of improving teaching and learning. Hence, the primary research questions of this meta-analysis are as follows; Do mind mappings have positive effect on teaching and learning in comparison with other, non mapping teaching and learning activities just like concept mapping? What are the moderating variables that will affect the mind mappings‘ effect on teaching and learning? How can we improve teaching and learning by using mind mappings?