The occurrence of stunting is considered serious and is associated with high morbidity and mortality rates. Many factors cause high incidence of stunting in toddlers. Direct factors related, to,stunting are, food, intake, and, health status. Indirect, factors related to stunting are, parenting patterns, health, services, maternal, factors and household environment. The root cause of stunting is the low economic status of the family. Research that raises social aspects in handling stunting is a development and innovation of research, considering that most of the studies that have been conducted focus on handling stunting from the aspect of health services. This research aims to overcome Stunting Based on Local Knowledge Based on Institutional Roles, Factors that Influence and Optimization of Stunting Overcoming. The type of research is a phenomenological approach, primary data is collected using interviews from competent informants. This research is also supported by secondary data, namely documents, journals and scientific studies that are considered relevant to the research objectives. Data analysis uses an interactive model, consisting of four activities that must be carried out continuously and repeatedly by researchers, namely; data collection, data reduction, data presentation and drawing conclusions. The results of the study show that local knowledge-based stunting control is based on institutional roles that tend to public health services, so it does not contribute much to improving social enterprises for handling stunting. Local knowledge-based stunting control is based on influencing factors that also tend to public health services, so it further weakens social enterprises for handling stunting. Handling stunting supported by local knowledge contributes to the institutional role in Malang Regency, if everything can run well and compactly, the stunting rate will continue to decline.