The subject matter of the final project is a comparisson of scheduling production operations by applying different priority rules and the use of a computer program to solve the scheduling problem. The first part explains the concept of production management and its historical development. Then is described the concept of management and its method and the models that are used for easier management. After that, the concept of planning and the ways to show planning are explained. The third term that has been clarified is terminating and the ways and rules of termination. The second part explains the concept of priorities and the rules of priority use. Subsequently, computer support for scheduling is described. Then, using computer software, Lekin elaborates the scheduling problem by using the priority rules (MS, LPT, SPT, EDD, CT, FCFS, WSPT) in the example of five bolts that are processed on four machines.