综合国外文献,老年旅游的研究主要是异质性、类型划分、旅游动机、旅游体验、旅游安全和旅游约束的研究。本文将对以上主题研究成果进行归纳阐述,以期为国内老年旅游的进一步研究提供参考。 Comprehensive foreign literature, the study of the elderly are mainly the study of heterogeneity, type division, tourism motivation, tourism experience, tourism safety and tourism constraints. This article will summarize the above research results, with a view to providing reference for further research on the elderly tourism in China.