<b>Analysis of Parental Investment Mode of Multi-child Families in China——The Influence of Sex and Age on Parents' Investment Choice</b>

With the progress of society and economic development, the quality and quantity of parental investment have an important impact on the future achievements of children. This study will use questionnaires and interviews to explore the specific effects of child gender and age on parental investment choice in multi-child families, and analyze the history of parental investment, problems, challenges, and impacts in multi-child families. The research shows that the parental investment mode of parents in their children tends to be diversified and personalized; the possible problems include economic pressure, educational pressure, family relationship pressure and emotional investment imbalance; the gender and difference may challenge the shaping of mate selection and parenting concept; and the influence aspects include economic pressure, educational resources and change of family relationship.