Abstract: Mapalus is a form of traditional mutual assistance inherited within ancestors in the land of Minahasa. Mapalus has become such a coding for Minahasa ethnic. The implementation of Mapalus has taken place in various aspects ranging from agriculture, social, community, politics, security and health. In the field of health, there has never been a study of the effect of the implementation of Mapalus tradition on the incidence of a disease, especially coronary heart disease (CHD). This study was conducted through qualitative approach. The results obtained that the implementation of Mapalus values is still done by the ethnic communities of Minahasa, and these values affect the incidence of CHD in Minahasa.