This article begins from behaviors of parody, and aims at copyright-trademarks parody caused by insufficient specification in the existing trademark and copyright law. The mentioned definitions and techniques in this article are based on neutral behaviors for distinguishing the rights that should be protected. Next, this article discusses the law norms and core values of copyright and trademark, comparatively analyzes the similarities and differences between copyright and trademark parodies. Finally, this article provides conclusions and suggestions on amending the law.