While they were on diplomatic mission in Korea,the ambassadors of Ming dynasty had to take part in various political and cultural activities,such as issuing decrees,conferring titles,awarding,and solving the conflicts between Korea and other vassal nations.

Study on Envoys to Annam in the Rule of Hongwu Emperor 1368-1398;

Protocol of Japan Palace during the Period of Bohai Envoy Visiting Japan;

Zuo Maodi, a famous patriotic envoy in the South Ming Dynasty,would rather die than bring disgrace to the country.

Because Keshigs had a high social position and a close relation with the royal family in the Yuan dynasty,they were often dispatched as envoy to fulfill their missions like the persuasion of the enemy to surrender,the searching for treasures abroad,the appeasing of the princes and so on.