International dispute events may provoke hostile sentiments between countries. This study explored the influences of dispute events on consumers’ purchase intention towards dispute country products. Taking the Sino-US trade war as the dispute event case, following the theory of “stimulus-response”, this paper constructs the behavior decision model of consumers in the dispute event scenario. The international dispute event involvement and perception economic competition were found to have positive impacts on consumers’ economic animosity. Consumers’ economic animosity and patriotism were found to reduce their willingness to purchase products in disputed countries by reducing affective image of disputed countries; The economic animosity and patriotism of the people were found to reduce their purchase intention towards disputed country products as well by raising consumer ethnocentrism.