This study aims to analyze the implementation of the conservation of Biological Natural Resources and their ecosystems in Indonesia and what are the inhibiting and supporting factors in the implementation of Conservation of Biological Natural Resources and their ecosystems in Indonesia. Biological natural resources are one of the most important elements in an ecosystem. The elements of living natural resources and their ecosystems are interdependent with each other, so their use also affects each other causing damage and the extinction of one of them will result in the disruption of the ecosystem. Therefore, it is necessary to have conservation as the management of living natural resources that is carried out regularly. The research uses a normative juridical approach (socio-legal research) as the basis for describing ideas. The result of this research is that efforts to use it sustainably in conservation are often forgotten. In addition, conservation within the framework of decentralization has led to disharmony in relations between the central government, provincial governments, and district/city governments. As a result, the welfare of the community around the area or within the conservation area is decreasing. Efforts that should be made in the context of overcoming law enforcement on the conservation of living natural resources and their ecosystems in Indonesia cannot be carried out only with penal (criminal) policies but must be carried out through integral efforts between penal and non-penal policies (without criminal). Crimes or criminal acts occur because of social conditions that are conducive factors for the occurrence of crime, therefore non-penal measures that can be taken are eliminating conducive factors that cause criminal acts in the field of conservation of living natural resources and their ecosystems.