Yi nationality wine culture. Liangshan Boba dry wine is a unique drinking method of Yi people. Yi wine culture has a long history and unique charm. People will put the wine bottle on the ground and kick it hard, which will make the wine spill. Then, people will catch the wine with their hands or cups and drink it all at once. This way of drinking is considered as a symbol of heroism and courage of the Yi people. It plays an indispensable role in inspiring spirit, harmonious relationship, spreading information and recruiting talents.