Abstract: 【Purpose/significance】As a new format of e-commerce, the group-buying of mobile network community has attracted more and more attention from capital and market. From the perspective of information ecology, this study explores the factors that influence the adoption of group-buying information by mobile network community users.【Method/process】Through the research method of grounded theory, semi-structured interviews were conducted with users, and coding analysis was carried out to obtain 43 initial con⁃cepts, 14 categories and 5 main categories.【Result/conclusion】The influence factors model of group-buying information by mobile network community users was constructed, its influence mode was explained. It is expected to provide reference and inspiration for subsequent studies, and some optimization strategies were put forward to improve the motivation for the adoption of group-buying infor⁃mation by mobile network community users.【Innovation/limitation】From the perspective of information ecology, this paper focuses on
the factors that influence the adoption of group-buying information by mobile network community users, and explores the influencing factors of users' information adoption under the new business form of e-commerce，which is innovative in related fields such as mobile network community，group-buying，and information adoption. However, the influence of conditional combination effect among influ⁃encing factors on the motivation of group buying information adoption of mobile network community users has not been explored. Fu⁃ture research will focus on the configuration effect among influencing factors on the intention of group-buying information adoption of mobile network community users.