The study eines to identify 'the booms of spa resorts' from Meiji to the early Showa era, and to clarify the features, causing factors and changing factors in each booms. Based on newspapers, magagines, historical documents etc. of these periods events relating to the spa resorts are extracted and classified. then the comparative analysis is conducted. Main findings are as follows: 1)'The booms of spa resorts' from Meiji to the early Showa era can be extracted as; (1)the former haif of first boom period (from 10 to 17. Maiji era) (2)the later half of first boom period (from 24 to 31. Meiji era) (3)second boom period (from 2 to 9. Taisho era) 2)The popularlity of spa resorts had changed and taken roots. through the rise and fall of each booms. whose features and factors are clarified. Booms had a tendency to shift from westen spa resorts to eastern resorts. 3)Spa resorts, introduced a variety of booms elements actively and constantly. had a tendency to have developed into popular resorts.