The case of "If You Are the One" is a landmark case on the way of trademark protection in China, and its problems in legislative, law enforcement, judicial, and litigant issues deserve deep thought. The important task at this stage is to implement the strategy of trademark brand, promote the transformation of Chinese trademarks to Chinese brands, enhance the knowledge content and economic value of trademark brands, and even increase the competitiveness and influence of China in the development of economic globalization. Under the guidance of favorable policies, China's new energy vehicle development prospects are broad. At present, China's determination to promote new energy vehicles is expressed in a quantitative manner. In addition, in order to prevent some problems that may arise in the field of new energy in the future, the Patent Law needs to supplement this. Finally, this article starts from LeTV cultural IP, introduces the basic concepts of IP and LeTV video, and analyzes LeTV's new video service, namely the development of online self-made dramas, to analyze the existing problems of LeTV video and propose solutions to it. LeTV Video can generate greater productivity through its intellectual property strategy and create its own brand value. <<