In the current information society with the rapid development of information technology and solid foundation of information infrastructure, the Internet does brought countless cultural and economic opportunities and advantages to develop. However, at the same time, the virtual and anonymous natures of internet also encourage the existing and distribution of a huge amount of internet pornography in the cyberspace which is accessible for the seekers only a mouse-click away. Caused by the instinctual biological drives and libido of human beings, the existing and distribution of internet pornography seems inevitable. Due to the nature of the content and the method of distribution internet pornographic activities, especially when it involves with users who access to the certain pornographic information, might have generated cyber crimes and in violation of the current penal codes. It’s necessary for government and law enforcement authority to impose criminal sanctions and condemn those who violate the laws. Thus, Internet users should pay more attention on this serious legal issue. Internet offers low-cost communication, the capacity to reach a global audience, and a presumptive veneer of credibility stemming from the anonymity of cyberspace. However, how should the government deal with “internet pornography " is a complex challenge and a serious legal issue. The scope of current criminal penalty of obscenity is such an uncertainty in legal determinations and which has caused a lot of discussions and debates. Without an appropriate legislative response for internet pornography, especially those new types of internet pornography through the highly and speedily development of information communication technology will cause internet users such burdens and might affect the development of informational society. This article deals with the issue of how Taiwan’s current legal system which imposed criminal penalty upon internet pornography should be amended and added more specific detailed definitions to solve current uncertain legal issues. This article starts with tracing the development of internet pornography and briefly discusses the current new types of internet pornography and its legal regulation issues. It aims to provide some possible control methods and proper regulation suggestions for the authorities seeking solutions to deal with the ever-advancing new formats and wild spread internet pornography problem in cyber space of the current informational society.