Abstract: Daisaku Ikeda, who has been devoting himself to dialogues for world peace and human well-being in his life, is an advocate of global peace movement. Daisaku Ikeda's thoughts on dialogue are the results of his personal experience in war, his support for his fellow-Buer, his conviction of Buddha, and his concerning about the problems facing human beings. His thoughts on dialogue include rich content. Equality and respect, common grounds and tolerance, and belief in common suffering are the prerequisite of his thoughts. There are two forms of dialogues: dialogues with governments and dialogues with the public. He aims to realize coexistence and mutual prosperity through mutual understanding and to bring about revolution through mutual learning, thus achieving world peace and human well-being. His thoughts are of referential value in building a harmonious world of man and nature, in the implementation of people-oriented principle, and in the realization of man's happiness.

Key words: Daisaku Ikeda, dialogue, peace, the idea of coexistence, Buddhism