Abstract
A high quality and low cost, the improvement of the appointed date of delivery are demanded from the medium size or small size Production enterprises. In the global environment, speed and communalization of the information are needed to offer a product quickly. For customer satisfaction and security of the company profit, a production schedule system is necessary. A computer-assisted system to decide production activity is essential to the medium and small-sized enterprises. However, the burdens of duties increase by system introduction and affect production schedule. However, the burdens of duties increase by system introduction, and there is a thing affecting production schedule. I investigate problems to occur by the production schedule management that used a computer-assisted system. In this study, I suggest the production schedule management that is appropriate than a thing of a medium and small-sized enterprises.