Diplomatic strategy: enhancing diplomatic soft power. China put forward a series of diplomatic ideas with China characteristics, such as: peace and development are the themes of today's world, seeking peace through cooperation and development through cooperation; Views on the establishment of a new international political and economic order on the basis of the Five Principles of Peace: the views of tolerance and complementarity, respect for the diversity of civilizations, the views of mutual trust, mutual benefit, equality and cooperation as important means to ensure international security, and the views of developing extensive and mutually beneficial international economic cooperation under the guidance of Scientific Outlook on Development. Recently, China put forward the slogan of building a harmonious world on the basis of summing up the above ideas. China embodied these thoughts in foreign policy, diplomatic practice and foreign propaganda, which enhanced China's international image, international prestige and status, and enhanced China's foreign influence.