关键词: 社会和谐, 公正, 代际公正, 代际伦理, 弱势群体

Abstract: A harmonious society is a fair society of justice. The justice of generations emphasize affirming basic contribution and defending dignity of every generation (including old man).At present, the question of treating fairly old man has been gradually appeared, a resolution of this question relates to the realization of justice in whole society. So, besides building and improving increasingly social system of security, we must go on developing traditional virtues of respecting and loving old man of the Chinese nation, and form a good general mood of respecting and loving old man in society, communities and every family, and give impetus to social harmony with harmony of generations and harmony of families.

Key words: Social harmony, justice, justice of generations, ethics of generation, weak groups