The problem of stunting in Solok regency exceeds the standard set by WHO, the prevalence is 40.1%, and be the highest one in West Sumatra. Children who gain stunting in the first 1000 days of life or during the age of two are more vulnerable to stunting after the child is two years old, therefore early screening and nutritional improvement are needed before the child is two years old. This research aims to determine the relationship between history of complementary feeding encompass (age,texture, frequency, and portion of complementery feeding). The design of this research was a case control conducted at the Talang Health Center, Solok Regency, West Sumatra. The research sample consisted of 80 mothers and children aged 6-24 months, divided into 40 sample groups of stunting and 40 sample groups normal children. Sample taken by total sampling method for the case group and for the control matching with posyandu areas were the same as the cases and taken by simple random sampling. Data was collected by questionnaire. Analysis test used by chi-square. The results of bivariate analysis related to stunting p-values obtained age of complementary feeding ( p = 0.003), the texture of complementary feeding ( p = 0.042), the frequency of complementary feeding ( p = 0.001), the portion of complementary feeding ( p = 0.002). This study concludes that there is an association of complementary feeding with stunting children aged 6 – 24 months in the work area of Talang health center, Solok regency.

World Health Organization reported 56 million babies, 34 million babies are not exclusively breastfed. Previous studies have shown 80% of them came from developing countries. The achievement of exclusive breastfeeding in Indonesia based on Indonesia Health Profile (2017) is 55.7% and decreased 54.0% in 2018. West Sumatera reached exclusive breastfeeding target 66.7% in 2017, but lower than Indonesia average target 80%. Babies are not exclusively breastfed are susceptible to morbidity and mortality. Exclusive breastfeeding has a role in preventing LBW, stunting, and reducing the risk of obesity and chronic disease. The lack of mother’s knowledge associated with the practice of exclusive breastfeeding Aims, to determine the knowledge in RW 10 Pampangan Nan XX Village. The assessment of knowledge about exclusive breastfeeding and overview of its implementation. The metode of this event was intervention an education exclusive brestfeeding for 14 pregnant women in RW 10, pampangan XX. Respondent was gave education on Whatsapp and Youtube. Data collection was got by questioners and interviews. The data was processed analyzed, after that was defined priority problems and made action of plans. Result, 78.6% of mothers knew about exclusive breastfeeding but only 43% implemented it. The causes of problem were incorrect about knowledge and techniques breastfeeding. The results of this study were submitted to the puskesmas and stakeholderfor advocacy. Hope that health promotif concerning axclusive breastfedding will increase, through of online and creative medias, by the same token will be escaleting sectoral collaboration as support.