Health care is a vast industry in US. Yet there are various concerns about the cost and efficiency of the health care system in US. The access and the quality of health care in US are always put to debates throughout the country.

In terms of both response speed and expenditure, US health care system is ranked as the leading. In terms of total performance and the level of health, US were not able to get the top rank. When the satisfaction of citizens in US is considered, the rank went even down. The cost and other issues concerning health care make citizens unhappy in the country.