.Natural disasters can strike suddenly and through a process which takes place slowly. Some types of disasters such as floods, almost impossible accurately predicted when and where it will occur and the amount of strength. The purpose of this Research know the effect of the flood disaster preparedness education to the knowledge of the family in the village of Environment Pakowa I. The method used is observational study design with the design of one group pretest posttest. The study population was the whole family in the Village Environmental Pakowa I as much as 149 souls with a sample of 50 family samples. Technique is total sampling. Data collected from respondents by distributing questionnaires before and after the intervention in the form of counseling to respondents. Data were analyzed with the Wilcoxon test at 95% confidence level with a significance value of p <0.005. The results of the statistical test p value = 0.000 α <0.05. Conclusion of this research that there are significant flood disaster preparedness education to the knowledge of family heads in the Village Environment Pakowa I. Suggestions flood preparedness need counseling to family knowledge that can be applied