摘要:Industrial growth in the field of fast food restaurants serving food from abroad grow like flowers, it happens because the enthusiastic Indonesian people against fast food restaurants is enormous. One fast-food restaurants that development very fast in Indonesia, namely McDonalds. But the service at fast food restaurant whose name is not uncommon to experience less precisely due to queuing queuing system. In scientific writing, the author discusses about how this process happens at the McDonalds queue Mal Depok using the formula model M / M / S / I / I with Single Channel Multi Method phase with the aim to analyze the queue at the cashier so that there can be determined The optimal amount of the cash register should be operated at Depok Mall McDonalds. While on a busy day (Saturday Sunday) will be more effective and efficient to add a checkout again into five cashier where the average number of visitors in the queue is zero point seven eight nine (.789) people.