Optimal enforcement focuses on the overall social costs of crime as well as the costs of criminal enforcement to best allocate resources to make society better off as a whole. Thus, free download creation work element, the best resources allocation element, less time spending element, convenient location place download element which will persuade any internet users to attempt to free download any creation from internet illegally works. However, internet channel element, this is a significant factor of one reason to persuade any internet users to attempt to carry on free downloading any creation works to cause economic criminal behavior at home or public places conveniently in our nowadays society every day.Thus, it ensures that any internet users free download any creation works behaviors which have copyright protection to prohibit whose do any economic crime behaviors. So, their behaviors are same to digital theft ans whose behaviors are economic crime from internet channel.In consumer behavioral economy view point, to explain why who still choose to do this copyright creation works theft behavior, although, every internet user ought know whose behavior is illegal and is such copyright creation works theft crime. I can analyze why it will have these causes, it is possible because who considers the net gains of crime over the legal alternatives. For example, with respect to internet download behavior by the potential consumer, whose free internet download behavior represents the net gain of illegally obtaining a copyrighted creative works ( digital products) instead of legally purchasing it from shopping stores.It seems every free internet download copyright protection creative works internet user who feels to spend time to free download these owned copyright protection of creative works products, their every behavior is similar to spend time and money to go to shopping stores to buy any one of these creative works legally. Because, who feel who needs to pay electricity fee and internet fee to turn on computer to use internet ( resources) to do internet free download creation works behaviors, which is same to go to stores to buy any creative works by their electricity and internet expenditure in psychological view point. Thus, it explains why there are many internet users still attempt to free download creative works habitally.Consequently, to reduce the gains from owned copyright protection creative works of theft crimes, copyright holders and law makers should attempt both to reduce the selling price and to raise the costs of illegalty obtaining copyrighted works. On the one hand, when if copyright holders can attempt to reduce whose material creation works to the attract the creative work consumption. On the other hand, the law makers can attempt to raise the costs of illegalty obtaining copyright creative works. It will dissuade internet users attempt to free download creative works when who feel their illegal crime behavior will have chance to raise their opportunity cost to compare to go to shopping stores to buy thesr creative work products. Thus, these both methods can bring threat to any internet users to attempt to do free download illegal behaviors.