[Purpose/significance] This paper reviews the research progress of online health information proxy seeking substitution of the elderly, clarifies the behavior characteristics and patterns of elderly health information behavior, and provides reference for the resolution of the digital gap of online health information for the elderly and the service optimi? zation of health information service platform.[Method/process] Through the content analysis of 37 relevant literatures, we summarized the main contents, research methods and relevant conclusions, and the process, analyzed the effect and behavior mode of online health Information proxy seeking for the elderly. [Result/conclusion] The results show the on? line health Information proxy seeking process of the elderly from the aspects of acquisition and utilization, analyze the effect of alternative search on the elderly from the perspective of cognition and behavior, explore the online health Infor? mation proxy seeking behavior mode of the elderly from the perspective of alternative searchers, elderly substituted searchers and online health information resources, and construct the elderly from the perspective of system based on the ecological environment model of human online health information search, the existing problems and related sugges? tions and prospects are put forward.