In Japan hot springs are abundant and are used well in resort areas. The tendency seems to become more popular with changes of life-styles of Japanese. However amount of hot spring in each resort area has a limit according to number of hotels because it has to be used every day as blood in human body. In the paper, firstly management of hot spring as a common resource is discussed, secondly the system and models are analyzed from the case study of 4 hot springs such as Onogawa, Ikaho, Hakone Owakudani and Nozawa as well a basic date of hot spring. In conclusion, to cope with an increase of tourists, management of hot spring has changed to be more intensive and sustainable on the base both of using spring systems as common resources and models as shown in the paper.
