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The purpose of this paper is to explore the influence of family relations on immigrants, and the influence of current immigration decisions on family members' work, income and family stability. The connection here is limited to immigration decisions. In the case of a single (* * * same) goal, this connection exists when there are differences in personal (private) income of family members. The people you contact are people with less absolute income (or expenditure). In the more general case of multiple potential goals, in the best family solution, as long as one spouse's income is lower than his personal maximum income, the connection exists. In this case, spouses can contact each other, although spouses with less income may enlarge personal best differences. In fact, this difference is a measure of the scale of this connection. It is a measure of negative externalities, and it is a problem that family members must consider moving (or settling down) with their own ability. These externalities are often internalized, but this is not always the case. As long as the sum of contacts is less than marital income, it can be absorbed without destroying family integrity. Otherwise, the family will disintegrate and at least one person will leave. Therefore, the law that families will move when their income is positive and settle when their income is negative must be revised. Family income is a necessary condition for family relocation, but not a sufficient condition. Family ties hinder family relocation, although it allows relocated people to contact each other. Because the income or expenditure of immigrants is mainly determined by job mobility, double-income families are more likely to be hindered than single-income families. Single-wage families are more places where husbands work, so single-wage families where wives work are more likely to be hindered.