Abstract: LIHong-zhang is a very important official in the late Qing Dynasty,based on protecting the vested interest of the ruling class and his own interest,his thoughts contain great influence of the ages and the social class he repesented.The long-term diplomacy fulfillment formed the special diplomacy thought of LI Hong-zhang."Seeking peace and self-renewal" is the starting point that Li Hong Zhang carries out foreign affairs;"Keeping peaceful end" is the important link of his diplomacy thought;"the c..