Abstract:After the Cold War,the world's trend is multi-polar,market-oriented reforms are taking place in China and India,Sino-Indian relations are lifted to the strategic cooperation partnership.The general characteristics of the Sino-Indian relations are that they gather the relations of great powers,of neighbors,and of developing countries,what's more,they are entrusted new connotations.The three key problems of Sino-Indian relations are the problem of Tibet,of their border,and of their trade relations.A picture of Sino-Indian relations with macro-structure,medium-structure,and micro-structure is expected to show to the readers.