Abstract: Data from the Regional Disaster Management Agency (BPBD) of South Kalimantan Province (2018) total disaster events in the South Kalimantan Region. As of January 27, 2021, there were 227 disasters recorded. The dominant natural disaster is flood disaster. The flood disaster caused a death toll of 259 people (dead and missing) and 8 missing and 3,654 people injured. The purpose of this study is to analyze the relationship between flood prevention activities and community institutions that play a role in flood prevention and the relationship between flood prevention activities and the potential of natural resources in flood prevention in Banjar Regency. This research method consists of three stages, that are a preliminary survey, data collection, and data analysis. The results showed that there was a relationship between flood prevention activities and community institutions that play a role in flood prevention (p<0.05) and there was no relationship between flood prevention activities and the potential of natural resources in flood prevention (p≥0.05).