SUMMARY
The purpose of this study is to describe social capital of traders in Boyolali Sunggingan Market. The location of this research is conducted in Boyolali District Boyolali Market, with the reason up to now still maintain the pattern of conventional trading interaction. This research is a qualitative research with phenomenology method. Technique of collecting data comes from interview with main data source that is trader and indigenous people around Sunggingan market. While other data comes from observation and documentation. Sampling technique using purposive sampling. Test the validity of the data using source and method triangulation. Analytical techniques using interactive data analysis model that is data collection, data reduction, data presentation, and conclusion. Based on the results of the study can be concluded that the social capital of traders in the market is very important role in traders trading strategies in the market that form a habit of traders that have been done continuously. The conclusion of this research is that merchant traders in Pasar Sunggingan have certain strategies to give their existence.