The study were to analyze the effect of comorbidities, parenting patterns, parents’ knowledge and family income on the occurrence of toddler down the red line at 12-59 months in Cempaka sub-district, Banjarbaru. This research use analytic observational with cross sectional study design. The population in this study were all mothers with children aged 12-59 months in Cempaka Sub-district Banjarbaru City with the number of samples 89 toddler. The correlation test results showed a significant influence between comorbidities, parenting, parental knowledge and family income on the occurrence of toddler under the red line age 12-59 months with of p value <0.05. The result of logistic regression test shows that there is significant influence between comorbent disease on the occurrence of toddler down the red line shown by p = 0,004 (p: <0,05), parenting pattern with p = 0,005 (p: <0,05) old with p = 0,003 (p: <0,05), family income to the occurrence of toddler down the red line is indicated by p value = 0,007 (p: <0,05). The most influential factor on the risk of occurrence of toddler down the red line (p = 0.998). Keywords: Comorbidities, parenting, knowledge, income, toddler