This report analyzes the overall situation of marriage and family of young migrant workers，including their values on marriage，childbirth，family gender roles and corresponding marriage and childbearing behaviors，and summarizes the distinctive characteristics and main problems of young migrant workers in the process of marriage，childbirth and upbringing. The study finds that the attitudes towards marriage and love of young migrant works are modernized and diversified. Most young migrant works pursue high quality on children and low children’s quantity，the views of family gender roles are modernized，and the values of gender equality have improved continuously；the age of first marriage delays obviously，and there is a certain marriage squeeze for males，the mating patterns are characterized by educational homogeny，homogeneous registered residence type，and the traditional marriage age type of “men are older than women”；births number is concentrated in 1-2 children，and family size become narrow；in the process of raising children，young migrant workers’ parents are the main care providers，and children’s education expenditure has caused great pressure on young migrant workers’ families. In response to the research conclusions，this report puts forward relevant suggestions from the aspects of advocating a new atmosphere of marriage and family，standardizing marriage behavior，reducing birth costs，and promoting urban-rural integration.