Abstract: A scheduling chart creation system which reasonably controls a plurality of constraint conditions and creates a scheduling chart that corresponds to various working patterns and terms of employments. The scheduling chart creation system comprises a hierarchy control section and an application selection section. The hierarchy control section controls various rule information which is the information on terms of employment of employees and forms a constraint conditions at the time of creating a scheduling chart. The application selection section selects the rule information which is applied to the creation of the scheduling chart from the rule information. The hierarchy control section has an organization-data hierarchy control section which hierarchically controls the information of organization to which an employee belong as the rule information, and a time-data hierarchy control section to hierarchically controls a working date and a working pattern of the employee.