We tried to answer to the question if exists a relation between the attendance to the library and the reading understanding in children of 7 to 8 years of age exists, for it were used the Test of Comprensión Lectora de Complejidad Lingüística Progresiva (CLP), Parallel Forms, to evaluate and to analyze the reading understanding that they have, in addition to analyze the frequency with which these children attend the library. The found results showed that an influence between the reading understanding and the attendance to the library does not exist.