：The value relationship between a better life and ecological equity is reflected by that a good ecological environment is a necessary prerequisite for a better life， that ecological equity is the value basis of a better life， and that the need for that life is the internal driving force to realize ecological equity. From the perspective of a better life， ecological equity should adhere to the principles of "people?centered" subjectivity， of dialectical combination between "ecological value" and "economic value"， and of organic unity between regularity and purpose. Ecological equity promotes interspecific ecological equity through constructing a beautiful China， realizes intergenerational ecological equity through green development， and achieves ecological equity within generations through a community with a shared future for mankind.