The full name of funnel graph model is search marketing effect funnel. The funnel chart model has five layers, corresponding to each link of enterprise search marketing, reflecting the number and loss of customers in the process from display, click, access, consultation to order generation. Funnel diagram model refers to the quantitative transformation model that gradually turns non users into users in the marketing process. The key elements of funnel chart model include marketing link and conversion rate of adjacent links. Funnel thinking, which is a linear way of thinking, generally identifies several key behavior transformation nodes according to the completion path of the task, and then analyzes the transformation and loss between behavior points, so as to locate the problem and guide decision-making.