Screen recording refers to a kind of mobile phone screen recording, which refers to recording one's own operations on the mobile phone screen in a specific time. You can share it with your friends or keep it yourself. Mobile phone screen recording is usually used to demonstrate the use of software. Screen recording refers to recording content or operations on a device for easy appreciation, editing and saving. Copyright is copyright, which is the right of creators of literary, artistic and scientific works to dispose of their works according to law, including personal rights and property rights. Copyright includes the right to publish, the right to sign, the right to modify and the right to protect the integrity of the work, the right to copy, the right to distribute, the right to exhibit and the right to perform. The types of works protected by copyright law include film and television, dance, photography, dictation, software, design drawings, music, graphic models, folk art, fine arts, writing and drama. Copyright is the legal ownership of the right to copy computer programs, literary works, musical works, photos, games, movies and so on. Copyright is usually considered to belong to the author unless it is transferred to another party. Most computer programs are not only protected by copyright, but also by software licenses. Copyright only protects the expression of ideas, not the ideas themselves. Algorithms, mathematical methods, techniques or machine designs are not protected by copyright.