Physical growth in infants and toddlers is often used as an indicator in measuring nutritional status. Parents and caregivers are very influential in the nutritional state of children. Children under five who have abnormal nutritional status have immune systems that can weaken, so they are susceptible to infectious diseases such as diarrhea and fever, and can also experience anemia. This research was conducted at the Oesapa Health Center. This research is analytic observational research design with a cross sectional approach. The number of respondents is 93 people taken using the technique simple random sampling. Retrieval of data using a questionnaire. From the results of statistical tests using Chi Square, it was found that there was a relationship between a history of chronic infection and the anthropometric index of TB/U toddler aged 0-59 months (p=0.021) and there was a relationship between a history of chronic infection and the anthropometric index of BB/TB toddler 0-59 month (0.001). The interventions carried out are providing education, counseling or leaflets to pregnant women, mothers who have babies under five regarding the problem of stunting and wasting, fostering Posyandu cadres to provide counseling on stunting, wasting, nutritional knowledge, maternal parenting and environmental hygiene and height measurement bodies routinely at posyandu activities every month to monitor the nutritional status of children at height/age on a regular basis.