The increasing number of pirated books sold at incredibly low prices has made the general public more interested in buying pirated books than original ones. This clearly inflict a loss on those involved in publication, particularly the publishers. In connection with the above problem, there is a question to be answered in this research, namely: What are the inhibiting factors in the efforts made for the eradiction of book piracy in DIY? This research is a descriptive and analytical research. From the point of view of the approach adopted, this research is a normative legal research.Result of the research indicate that The inhibiting factors in the eradication of book piracy in DIY are: (1) The rules and regulations in legislation made as the legal basis, (a) The provisions contained in the Copyright Act which are not well-formulated, resulting in differences of interpretation among the law enforcement officials (b) The provisions contained in the Copyright Act still need rules and regulations furthermore (2) Readiness of law enforcement officials (3) the people’s law awareness.Conclusion of the research indicate that the inhibiting factors in the eradiction of book piracy in DIY are: (1) The rules and regulations in legislation made as the legal basis, (2) Readiness of law enforcement officials (3) The people’s law awareness.