Guaranty in banning opium smoking and trafficking before the first Opium War

In order to make a deep understanding of the concept of Chinese modern international communication,and transition from traditional mentality to modern ideology,and by analyzing Lin Zexu′s Ju Jie(Guarantee Bond)which required that the foreign merchants trading in China must abide by Chinese laws and regulations,it is believed that in the war Against Opium,Lin Zexu tried to handle the international affairs with the mordern diplomatic theories.However,because of restrictions of that time,Lin Zexu made some mistakes.Therefore,Chinese people are confronted with the new challenge-how to protect the national dignity and authority effectively.