The simple mobile ad hoc network has only limited storage capabilities. In order to construct an efficient trust management system in the existing mobile ad hoc network and make it perform the real time decisions based on the events is much difficult and at a same time a cumbersome task. Due to the season, the mobile ad hoc network has only the limited infrastructure capabilities. It had been designed and developed for simple and at the same time more efficient communication setup. To prevent the mobile ad hoc network from various attacks and vulnerabilities a trust management system has to be used.