Businesses often develop valuable ideas or information such as methods of manufacture, pricing and marketing techniques, computer programs, machinery designs, customer lists, or the "know-how" necessary to perform a particular operation, which give them a competitive advantage in producing or selling their goods or services effectively. Much of the value of these ideas or information arises from their secret nature, that is businesses' competitors do not have access to them. If a business' idea or information constitutes a legally protectable "trade secret", the business may prevent its employees from disclosing it to others, and may prohibit its competitors from acquiring it by improper means or using the trade secret once acquired. To combat with the trade secret misappropriation, the Taiwan Trade Secrets Act was promulgated on December 22, 1995 and enforced on January 17, 1996. Because of the enactment of the Taiwan Trade Secrets Act. Taiwan becomes the pioneer country in the world who has the law specifically legislated to protect the trade secret. This article provides a comparison of trade secrets protection between Taiwan and the U.S. The article consists of three parts. Part I of this article outlines the Taiwan Trade Secrets Act. Part Ⅱ compares the Taiwan Trade Secrets Act with U.S. trade secret model law, the Uniform Trade Secrets Act. Part Ⅲ comments on the Taiwan Trade Secrets Act. The article concludes that, by its explicit statutory definition of either trade secret or trade secret misappropriation, the Taiwan Trade Secrets Act provides the trade secret owner more extensive protection against trade secret misappropriation than previously provided by different criminal statutes, civil code, and fair trade law. However, a trade secret attorney should be aware of some merits and deficiencies contained in the Taiwan Trade Secrets Act in order to provide an adequate representation in legal disputes involving trade secrets.