Transactions on Economic and Business Models Wuxia Cao, Niaoer Yao 1 1 2025 https://doi.org/10.6025/tbem/2026/1/1/38-50 https://www.dline.info/tebm/fulltext/v1n1/tebmv1n1_4.pdf Although China and Central and Eastern European countries are far apart, the two sides have a long history of exchanges and profound traditional friendship. China's strengthening of trade ties with Central and Eastern European countries is significant for Chinese goods to occupy the European market. From the perspective of geospatial distribution, Central and Eastern Europe is generally used for geopolitical expression. The development space is broader to make our Eurasian countries more economically connected, cooperative, and profoundly developed. We can use the innovative cooperation model to build the "Silk Road Economic Belt jointly". This paper calculates the relative trade index using an intelligent optimization algorithm (IOA). It analyses the comparative advantages of specific agricultural industries in China and Central and Eastern Europe. The comprehensive complementarity coefficient of bilateral trade is used to analyze the farm trade complementarity between the two sides. Under the background of "one belt and one road", central and Eastern European countries constitute an essential part of China's westward trade and development. To ensure that foreign trade policies can be carried out smoothly and lay a good foundation for cultural exchanges between China and Central and Eastern European countries in the new trade era.