The study of the urban poor family relationship is of great practical significance. Compared with general families in urban areas, urban poverty family relationship has the following characteristics: in terms of power of husband and wife, "men in power" features prominent, reflected the traditional pattern of family decision; In the division of housework, men are responsible for a higher proportion of housework, reflecting the modern household division of labor. In the case of husband and wife, the proportion of families that often quarrel is higher than the average urban family; In terms of marital satisfaction, urban poor families have lower marital satisfaction. Overall, urban poor couples have a low quality of interaction. In the new period, urban poverty alleviation should pay attention to the family construction of urban poor families. A good relationship is of great significance to helping poor families out of poverty, improving their quality of life, and nurturing the next generation with a healthy personality. The introduction of professional social work and the development of social services of urban poor families are a good example of the anti-poverty guideline in the new era. It should be one of the important work of the urban poverty alleviation work in the new period.