The case of work safety always becomes a problem in mining activity, because the accident increases every year with less supervision by the local government. The type of the research is normative and empirical legal research. The objectives of the research are to examine the supervision of the implementation of the provisions on work safety for laborers in the mine areas in Kutai Kartanegara, to collect information on the obstacles faced by the local government in supervising companies regarding the implementation of the provisions on work safety for laborers in the mine areas in Kutai Kartanegara and to propose suggestions on the better implementation of the provisions on work safety for laborers in the mine areas in Kutai Kartanegara. The result of the research answers the research questions which show that the role of local government in supervising the implementation of provisions on work safety for laborer in mine areas of Kutai Kartanegara is not significant. Thus, the research also gives the suggestion that Local Government should undertake more intensive supervision to the company and evaluate the care of the company in completing and improving the quality of APD for laborers in accordance with the fieldwork, more assertive in giving sanction to the company and laborers who do not obey the rules and increase the recruitment of expert and K3 officers to conduct routine check the completeness of the tools and transportation, considering there are many mining companies in Kutai Kartanegara.