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