With the development of society, the network has become an indispensable part of people's lives. Therefore, online marketing has also become an essential part of a successful enterprise. So, what is online marketing? As another marketing tool for enterprises to carry out traditional business, online marketing uses the network as a carrier and spreads the company's products through a series of promotional methods to achieve the purpose of making profits. This comes from a brief overview in the "Learning Online Marketing" tutorial written by the Online Marketing Military Academy, which briefly describes what online marketing is. It has been widely cited by colleges and universities as an online marketing textbook and in online marketing papers.