A server device acquires a monitoring result of a specific type of vital sign of a specific user and identification information of a first monitoring device from the first monitoring device that monitors the specific type of vital sign. The server device acquires a monitoring result of a specific type of vital sign of the specific user and identification information of a second monitoring device from the second monitoring device that monitors the specific type of vital sign. For a time series fluctuation of the specific type of vital sign of the specific user, when a combination of the monitoring result of the first monitoring device and the monitoring result of the second monitoring device is to be output, the server device outputs the monitoring result of the first monitoring device and the monitoring result of the second monitoring device in a distinguishable manner.
