Xie Dan is a Chinese author of books on applied psychology. Public information about the author is currently limited: apart from the known work An Imperfect Family, details such as background, education, and professional identity have not been clearly documented. Judging from the available work, Xie Dan's writing focuses on family relationships and psychological growth, a field close to everyday life, and tends to explore emotional bonds, everyday friction, and mutual understanding among family members from a plain and grounded perspective. An Imperfect Family, the representative work included in the collection, is classified under applied psychology, suggesting that it addresses general readers and seeks to respond to real confusions in contemporary family life through psychological ideas and methods. Overall, Xie Dan enters readers' view through the theme of family psychology, with a style that emphasizes practicality and readability, suitable for readers who wish to reexamine family relationships and seek self-adjustment.