The main purpose of the exhibition is to find buyers and sign bills to sell things. Therefore, the content of the core effect of the exhibition mainly refers to the scale of the exhibition (including the exhibition area of the booth, visiting buyers, exhibitors, media publicity effect, etc.). ). Then, more importantly, the turnover, what kind of goods and how many hundreds of millions are reached in the exhibition, which is usually not given by the organizer and needs to be tapped.