A data management system, a terminal device, a data input method, and a non-transitory recording medium. The data management system includes one or more terminal devices and an information processing system. The information processing system stores in one or more memories, a template associated with a plurality of tasks including at least a request task and a reporting task, the template having one or more input items set for each task and transmits the template to the one or more terminal devices. Each of the one or more terminal devices displays on a display, the plurality of tasks associated with the template, receives a selection of a task from the plurality of tasks displayed on the display, and displays on the display, the input items associated with the selected task based on the template.