Introduction: Stunting should be forestalled by coordinated treatment programs that incorporate designated and delicate healthful intercessions. These projects require cross-area collaboration and coordination at all administrative, private, and social levels. To quit stunting, an incorporated COMBI (Communication for Behavioral Impact) technique is required. The ineffectively planned plan set up makes it trying to facilitate, simply decide, and consider individuals responsible. The 20 individuals from the Union Group for the Speed increase of Lessening Stunting act as the populace and test for this review. The motivation behind this study is to learn what the COMBI approach means for the rate at which stunting episodes happen in Pamekasan Regency in 2024. Methods: This sort of study utilizes an example size of 20 respondents and a semi trial nonequivalent benchmark group plan. approaches for get-together information that utilization pre-and post. In the event that there was a massive contrast between the treatment gathering's and the benchmark group's posttest scores, the information was examined utilizing a free t test and the Standardize Quality Test (N-Gain score). Results: In light of the exploration discoveries, the COMBI method affects the information level of the stunting union group for the situation and control bunches in Pamekasan Regency (Sig. 0.042 <0.05). It likewise affects the disposition of the case and control bunch stunting union group in Pamekasan Regency (Sig. 0.042 <0.05). At long last, there is no impact of the COMBI method of Conduct Change Communication System with the activities of the stunting union group for the case and control bunches in Pamekasan Regency (Sig esteem). 0.061 > 0.05. Conclusions: The COMBI approach, communication technique, and changing on a surface level all affect bringing issues to light and changing mentalities about rushing the decrease of stunting. This is seen from the remarkable decrease in stunting in the Pamekasan area.