中日两国的反不正当竞争法，虽然名称相近，但不论是在立法背景、立法目的、法的基本属性、对不正当竞争的定义方式和对不正当竞争行为的基本内容及其范围的规定上，还是在对不正当竞争行为所采取的法律措施方面，两者之间都存在着明显的差异。本文运用比较法的基本理论，对中日两国的反不正当竞争法进行了多视角的比较研究 The similarities and differences between China and Japan in anti-unfair competition law, no matter in terms of legislative background, legislative purpose, basic law of law, definition of unfair competition, basic contents of unfair competition and their scope Regulations, or in the legal measures taken against acts of unfair competition, there is a clear difference between the two. By using the basic theory of comparative law, this article conducts a comparative study on the Anti-Unfair Competition Law of China and Japan from a multi-perspective