Win-win cooperation is inevitable choice in current era. It is inexorable trend of human development to go into win-win era. Win-win-ism is core idea of major-country diplomacy with Chinese characteristics. There are theoretical and practical reasons for China to promote win-win-ism. In theoretical layer

compared with colonialism

imperialism and hegemonism

win-win-ism possesses with the quality of impartiality

fairness

forgiveness

harmony and sustainable development. In practical layer

the peaceful rise of China breaks the law that a powerful nation must implement hegemonism and China is highly possible to be the leader of win-win-ism era created by China. Finally

the harmonious situation of peaceful coexistence and common development of people all over the world comes true. There are advantages for China to initiate win-win-ism. First of all

win-win-ism is a comprehensive expression of all diplomatic thoughts and open development thoughts of all state leaders since the establishment of new China. Then

win-win-ism is also a comprehensive expression of Chines traditional thoughts. Besides

China has become the biggest stakeholder in the world. The core goal and purpose of win-win-ism is to unite people in all over the world to create stateless world; its connotation is to promote the construction of new international governance system and lead major-country diplomacy with Chinese characteristics. Its concrete contents are creating new international relationship cored with win-win cooperation

participating into the management of global economic and political affairs positively. China leads the establishment of open economy to let the rest of the world share the opportunity created by the development of China. China takes full part into the management of global economy to establish more fair and just new international economic order

promote establishing new major power relations

face up with non-traditional security challenges

undertake international responsibilities and obligations and to promote the communication and learning from different civilization to realize the common development of human civilization. This is also the cultural core of win-win-ism.