Relying on the high-quality content, strong popularity, traffic and interactivity of Baidu Zhidao product, as well as the mature advertising model, and based on the complete characteristics of Baidu's large alliance channel, partners customize corresponding content according to their own website content. Users generate income by clicking on the advertising text chain of the relevant cooperation page of Zhidao, and partners thus obtain Baidu commission. The union established based on the principle of this cooperation and gathering various promotion channels of Zhidao is called Baidu Zhidao Union.