In a print system constituted so as to enable a supplying of sheets from a printing apparatus to a sheet processing apparatus, wherein the printing apparatus having a print unit that executes a print process of data of a job stored in a storage unit can store data of a plurality of jobs, wherein the sheet processing apparatus having a sheet processing unit that executes a sheet processing operation to sheets of job printed by the printing apparatus, a controller unit allows the print unit to execute a print process of a second job required before a sheet process of the second job in case that a plurality of jobs including the second job after a first job are accepted and in case that a sheet process of the first job required after a print process of the first job is in execution by the sheet processing unit.