This study aimed at working out a practical plan in order that National Quality Award may be helpful to develop enterprises. In line with this aim, this study investigated the cases of foreign countries that evaluate the quality managements of enterprises on the basis of the standard model, and the aftereffect of winning the award, and its influence on management performance. Investigation was focused on the companies that won Quality National Award as a result of quality innovation activities and met with good results since then and finally won Korea Quality Grand Prix 3 years after winning the award, and questionnaire was performed to the directors of the competent authorities. The questionnaire was sent by e-mail, and its questions were made with a help from the advisers of National Quality Award. Questions were mostly focused on four parts, the general states of enterprises, the operation system of National Quality Award, the after effect of winning the award, and management performance shown after winning the award.