The case study company, which was produced and cargo to the Seven-Eleven. The waiting time for waiting transport goods of refrigerated trucks for a long time, because the number of refrigerated trucks into as many at the same time.Due to the need to wait a long time causes congestion. By study of Dispatching Rules all 7 method is First Come, First Served, Earliest Due Date, Shortest Processing, Time Longest Time, Processing, Ratio Critical, and Priority Queuing and Weighted Fair. Queuing. In the research of this educational principles and theories have the details of each theory are as follows.