If you bring your family to the U. S, we require that your proof to the US Consulate(领事馆) that you have financial resources for their support in the amount of 3 000 U. S. dollars per year for your wife or husband and 1 500U. S. dollars per year for each child. We also require that you buy health insurance for any dependents that join you in the U. S. For the duration of their stay in the U.S.