Handmade carpet is one of the original Iranian handicrafts with a social identity. This product, due to its artistic appearance and esoteric nature, which refers to the difficulty and effort of the weaver, helps to maintain the credibility and value, originality and national identity, as well as social capital, greatly contributes to the relations between individuals and groups and the development of indigenous culture. In this study, an attempt was made to evaluate the indicators of social capital and its impact on maintaining and expanding the status of handmade carpets. In the process of conducting the research, using the questionnaire tool, thirty effective indicators in social capital were evaluated to evaluate their role in promoting handmade carpets in the statistical population of people related to the handmade carpet production chain. The obtained data were analyzed using factor analysis technique (exploratory factor using SPSS software and confirmatory factor analysis with AMOS) and finally 21 indicators were extracted and named in 4 factors. The statistics and the drawn model showed that social capital and its dimensions have a positive and significant effect on the development of handmade carpets. Among these, the component of favorable relations has a more significant effect than other factors.