Since China's copyright law was transplanted from foreign legislation, in many cases there will be acclimatized situation. Due to the awareness of protecting intellectual property rights in China is very weak, in use, there are differences in theory and practice. How to make the copyright law match for our county become the urgent matter of the legal system in China, by studying the international intellectual property law, we should clarify the relevant concepts of copyright law, and provide reference for the revision of China's copyright law. The following is a basic understanding of copyright by introducing the concept of copyright, the scope of copyright, the term of protection, the reasons for protecting copyright, how to protect copyright, it provides a theoretical basis for the revision of copyright law in China.