The Type of nutrition According on the type of rural or urban society could be different from, Because human nutrition On one hand is related to factors like Climate Environments, technical, Socio-economic, cultural, and historical record And on the other with cognitive and Behavioural attitudes of humans. this study was conducted to assess the food security situation in this region. this study was carried to assess the food security in different climate zones of the southern province of Kerman. this study was done using Applied Research Methodology and Survey method. The study population was all rural households in south villages of Kerman province, that 390 households were selected by stratified random sampling. The data were collected by questionnaire and SPSS (version 21) was used. Descriptive and inferential statistical techniques were used to analyze the data. According to results, there is a weak food security level at study area; While the food security situation of rural households in different parts is different. So that households of cold and mild regions have higher food security and after that Respectively are households of mild and hot and dry regions; one of the reasons This result may be due to the changing nature of agricultural production throughout the year for different areas.