This document presents the multi-agent system (PLANG) developed to transform the virtual educational environment of the USD (Unit of Support to Teaching) in an adaptive hypermedia system taking into account learning styles The techniques of adaptation are directed to the personalized selection of teaching materials, navigation tools and navigation strategies of the educational environment according to the learning style of the student.For the modeling of the student we use techniques of Artificial Intelligence as Reasoning Based on Cases and Fuzzy Logic, the system is able to categorize students according to their ability to process, perceive, receive, organize and understand information.We use intelligent agents to examine opportunities for improvement in teaching and to motivate students to Learn according to your preferences in a friendly and bad environment S close to your learning style. The MASPLANG has been built under the central concept of an intelligent agent known as a software entity that acts intelligently and semiautonomously in representation and benefit of the student.