營業秘密係全球化時代下重要的產物，若接觸過此營業秘密的員工在離職後，將此高度價值的商業機密洩漏出去，公司將會蒙受極大的損失，因此公司會想防範離職員工竊取或利用其營業秘密，其中，競業禁止即著重於與員工事先先簽訂好相關的條款，予以箝制員工恣意洩漏其極具經濟價值的商業資訊，以保障公司能更努力投入研發等創新活動，並且活絡市場促進科技和商業發展。 營業祕密之保護和競業禁約款都在於維持雇主之競爭力，但從其構成要件和性質來觀察卻不盡相同，本文在競業禁止部分係著重在僱傭關係結束後之討論，而營業秘密之部分則是包括在職期間和離職後兩種情況，而競業禁止和營業秘密這兩者在某程度之關聯上，除了基本之理論介紹，本文亦會從台北地方法院近三年之相關判決加以探討，藉由統計方法中的量化和質化研究，分析並了解營業秘密和競業禁止之互動關係，並結合理論和實務之運作，提出一些有關於實務上運作之建議。 / Business secrets are the production under the era of globalization. In addition, it start playing an important role on business development. After employees who have been touched the business secrets had left their jobs might lead to leaking out highly valuable commercial secrets making the company suffer great losses. Company will protect their trade secrets and prevent economic losses by asking employees to sign non-competition clauses. With the protection, companies are willing to invest more assets and money on research and development, making market more active. Eventually, these kinds of clauses and precautions can promote technological and commercial environment and development. Trade secret protection and non-competition clauses can maintain competitiveness of employers. But trade secret and non-competition are not the same due to the original source of law and elements. This thesis related to the non-competition clauses are focusing on the periods of the end of the employment relationship. But trade secrets divided into two situations including employment periods and after-service periods. In fact, non-competition and trade secrets have a certain extent of connections. In addition to the basic theoretical introduction, the thesis explored and extracted judgment from the Taipei District Court ruling during the past three years. With methods of Statistical Analysis. We can understand the relationship and interaction between trade secrets and non-competition. By combining the theories with empirical research, we can speculate the results and conclude the suggestions about the operation of the practice.