Three times Chiang Ching-kuo requested permission to return home, but each time he was refused, because the communists believed that they could use him as a trump card for improving Soviet-Chinese relations. He was in fact a hostage.
經國先生向史達林三度提出回國申請，均因共產國際視他為將來改善中俄關係可運用的一張王牌而未允許，實際上也可說是人質。