The natural attribute of life, that is, natural life span, determines the length of human life span, that is, the length of life; The social attribute of life, that is, social life, determines the width of human life, which is based on culture and developed from scratch; The spiritual attribute of life, that is, spiritual life, determines the height of human life. It does not simply refer to the height that people can reach in the prosperous times of success, but to the low point that people are in in the adversity of failure, because the profound experience and spiritual stimulation of life also constitute a part of the meaningful height of life. The length of life, the width of life and the height of life are unified together, which together embodies the brilliance of human life, that is, the life highlight of individual life "I am for me".