Social improvement was reversed by the impacts of global financial crisis in 2009 as poverty rate bounced back，income distribution deteriorated，unemployment rate rose up in many countries and remittance income fell in a few. Moreover，several emerging social problems deserve much attention，such as nearly 40% of H1N1 cases around the world were found in LAC，strikes and demonstrations in a few countries threaten social instability，drug related crimes are rather regular than exceptional，posing severe challenges to social security in some countries and the negative impacts of climate change are turning for the worse etc. To counter the negative social impacts caused by global financial crisis，LAC countries successively adopted series of policies and measures such as countercyclical fiscal policies，active employment policies and policies aimed at protecting vulnerable groups.