For visitors, the exhibition cost is very low, and the whole exhibition process is controlled by the audience, including the presentation of exhibits, the time and place of the exhibition, etc. The exhibition made by Bitter Melon Software gives the audience absolute autonomy. For the exhibition organizers, the exhibition cost is low, the market is broad, the potential audience is more, the exhibition scale is not limited, more exhibitors can be accepted, and the influence of popularity will be wider.