摘要：

Abstract:

【Purpose/significance】Supported by its unique technical functions, social commerce created a new business scenario that

combines social contact and shopping. Exploring the internal mechanism of affordance on the purchase intention of social commerce

users from the perspective of technical interpretation will helps to deeply excavate the commercial value of social commerce technolo⁃

gy functions.【Method/process】Based on the theory of IT affordance and social support, a model of influencing factors of users' pur⁃

chase intention in social commerce platforms is constructed. 621 valid questionnaires were collected through the questionnaire survey

method, and the structural equation model was used for empirical testing.【Result/conclusion】The results show that in addition to visi⁃

bility, the five dimensions of IT affordance have a positive impact on information support; in addition to visibility, the five dimensions

of IT affordance have a positive impact on relationship support, and information support and relationship support positively affects us⁃

ers' purchase intentions.【Innovation/limitation】Innovatively combining IT affordance and social support theories, from the perspective

of affordance, this paper explores the factors that influence the formation of users' purchase intentions in specific social commerce sce⁃

narios. However, because online relationships also have an important impact on the purchase intention of social commerce users, the

important value of different types of online relationships can be explored on the basis of the research in this article in the future.