The research sought to determine the influence of Harmonic Mind Maps (HMM) in the understanding of scientific texts in students of the second grade of secondary education of a school in Peru. For this, a sample of 44 participants was formed and a control group and an experimental group were determined. Reading comprehension was assessed with the first test given to them was the Raven Test, then the Kolb Test and the instrument for understanding scientific information (pre-test). And the results obtained were that, in effect, the influence of HMM is significant in reading comprehension.