1. Location: Changchun is located in the middle of Jilin Province, and Harbin is located in the middle of Heilongjiang Province. Due to different geographical locations, the climate and natural environment of the two cities are also slightly different. Changchun has four distinct seasons, and the temperature changes greatly, while Harbin has a cold climate, with more ice and snow characteristics in winter.

2. Food culture: Both cities have rich food culture. Changchun is dominated by Northeast cuisine and Korean cuisine, such as cold noodles, Luoguohe barbecue. Harbin is dominated by Russian food, such as Russian pies, Russian steaks and Russian desserts. In addition, there is a famous ice and snow food festival in Harbin, and various ice and snow products attract many tourists.