Planning operation management support system

A project template information management database 1 of a planning operation management support system includes: database groups from 20 to 23 saving setting information of planning operations performed in the past, names of process flows in the respective layers (task name), lead times (lead time) required for the respective process flows (task), and dependency relations between the process flows (task), as templates by the respective customers; a result database 15 storing trading results with customers in the past; and a calendar database 16 storing calendar information setting actual working days when workers in charge of the respective process flows carry on a work, and holidays. A client terminal 4 includes: an input device 35 inputting new project names, customer names, and delivery dates; and a CPU 41 calling a corresponding customer's template from the project template information management database 1 by inputting the customer name, the name of the new project, and the delivery date, creating a new