This study aims to determine the level of food security that occurred in the district Curug of Serang City. Food security at the site of the study were divided into three categories, one category is food security, two categoriy is food insecurity and category 3 is food insecurity. This study used survey method. Survey techniques used were interviews and observation. Interviews guided by questionnaires (list of questions) that had been prepared in advance based on Household Survey and Data Basic Household. The sampling method used was non-probability (convenient sampling technique sampling). Data collected included primary data and secondary data. Secondary data were obtained from the relevant agencies that are relevant to the study, while the primary data obtained from respondents by questionnaire. Analysis of data using CSPRO VERSION 3.3 modified by using Data Entry System installation Basic Household. The tools used for data entry: (1) Software Program CSPRO 3.3, (2) Basic Data Entry Program Household (DDRT.exe), (3) Household Survey Entry Program (SRT.exe), (4) Book 1 DDRT 2005.doc, and (5) Book 2 SRT.doc. CSPRO program stored in the folder C: \ DRT2005 with the file name as follows: Directory of C: \ DRT2005 \ setup.exe. To obtain a clear picture of the level of food security using the program SPSS 12.0 statistical processing application to obtain a picture processing results. The results show there is Curug of district 3 cluster regions, namely the category of food secure region, the region with food insecurity alert category and region with the category of food insecurity. Categories of food insecurity covers an area of Cluster 1 with an index of 119.33, with an index of 120.53 clusters, cluster 6 with an index of 120.20, cluster 7 with an index of 120.60, Cluster 9 with an index of 119.33, cluster 10 with an index of 108, 27. Category wary of food insecurity covers an area of 122.22 clusters 3 index, and cluster 8 with the index 123.67. Categories include food security cluster 4 with an index 134.60 and cluter 5 with index 129.00. The index is based on the District Curug included in the category of food insecurity with and index 121.77.