Introduction: The story of a small southern Hakka family and its three generations of parents from the end of the 20th century to the first half of the 21st century for nearly 30 years, with ups and downs, joys and sorrows, twists and turns, and conflicting family relationships. And the small family reflects the social changes and development of China in the past 30 years. Taking the protagonist Jiang Nan'an, the eldest daughter of the family, as the main line, it tells the story of the four children of the Jiang family from birth to growing up and starting a family.