The regulation about captivity of wildlife is regulated by a Minister of Forestry Regulation Number: P. 19/Menhut-II/2005 About Captivity of Wild Plants and Animals guided by Law Number 5 Year 1990 about Conservation of Living Natural Resources and Ecosystems, Government Regulation Number 8 of 1999 concerning Utilization of Wild Plants and Animals. In the implementation, captivity of animals aims to obtain specimens in guaranteed quantity, quality, species purity and genetic diversity. It needs a study through law theory of Fuller whether in the regulation about the cavity has been run as the function. Thus, it can reach the goal of the captivity of animals. The result of discussion is that there are indicators revealing that captive regulations are deemed lacking in their delivery and overlap. However, overall captive regulations can be considered successful in achieving breeding goals in order to obtain the purity of captive species.