This commodity fair is a high-level global economic and trade cooperation and exchange conference, which can become a node of deep economic intersection between China and South Korea. Weihai locals said that it is not easy to hold such a large-scale exposition in China, and it can also let foreigners see the achievements of domestic development, carry out trade cooperation on a larger platform, promote the diversified needs of domestic consumers, attract more foreign businessmen to cooperate with the local economy, and promote the development of local industries. This is a very high-level cooperation and an upgraded version of cross-border e-commerce. If e-commerce is formally put into operation, it will bring a very rich service industry chain to Weihai and other regions, increase the volume of import and export trade, promote the digital development of local traditional production enterprises in Weihai, enrich the material conditions of Weihai people and improve their quality on the basis of the past. This Expo is a high-quality development integrated into the double cycle, which can open a new highland for opening to the outside world, enable Weihai to realize professional business operation, provide more refined services, attract more foreign cross-border e-commerce enterprises and more platforms to settle in, not only promote the employment situation in Weihai, but also make Weihai's economy go up a storey still higher. Such a large-scale trade fair is a recognition of each other's depth, and it can also make Weihai develop with higher quality, make Weihai's economy rise more rapidly, and make Weihai people richer.