One sector that contributes to foreign exchange is the dominant mining sector. This mining sector contributes 36% of the country's revenue. Among the activities of the nickel mining industry, it has had a positive impact on the state treasury from taxes and royalties. Therefore, the existence of these natural resources has economic potential that must be utilized in order to prosper the lives of the people in accordance with the provisions of Article 33 of the 1945 Constitution (paragraph 2). This study tries to examine the positive impact of nickel mining activities on the socio-economic conditions of the community. The purpose of the study was to describe the positive impact of nickel mining activities on the socio-economic life of the community in Tinanggea sub-district. The research method uses a qualitative approach based on data collection with observation techniques, interviews with informants and review documents related to this research.the results showed that the positive impact of nickel mining activities in Tinanggea District was that it could accommodate local workers or increase the opportunity for people to get jobs in mining companies, increasing community income through monthly salary gains, increasing micro-businesses in the surrounding mining areas. buying and selling activities between the community and employees working in mining companies. While the conclusions of the study were that mining activities in Tinanggea Subdistrict had a positive impact on the people of the region. Keywords : Positive impact of nickel mining activities, Socio-economic community.