The purpose of this study is to analyze: 1) What is the current competition model of telecommunications business in Indonesia? How is Telecommunications Business Competition in Indonesia Reviewed from Competition Law?. This research is a type of normative juridical research with a legislative approach, a conceptual approach, and a case study. The results of the study show that: 1) In the application of competition in the telecommunications sector, there are parties who often provide protection or privileges to certain business people, this can cause unfair competition and trigger the emergence of monopoly practices. Judging from the aspect of business competition law in which one of the business actors conducts monopolistic practices and/or unfair business competition, then all of the single economic entities are declared to have violated the business competition law, even though legally the business entities are separate, that is, each has its own legal entity. 2) Effective regulation is needed to ensure dynamism and healthy competition in the mobile telecommunications market. Awareness of the importance of competition or competition itself should be appreciated and the direction towards a healthier business is also starting to run in Indonesia. Improvements in the future are expected to run effectively, both in terms of regulations, practices and healthy cooperation among mobile telecommunication operators, so as to be able to provide maximum service and quality to the community without burdening and harming the community.