Mexican economic crisis has generated, along 3 decades, lost of million of formal employments and decreasing real wages as consecuence of informal employment growth. In this framework the objective of this paper is to know the effects of the mexican cyclical crisis on the economic growth, labor market, inequality and poverty, since 1980s debt, global 1990s and financial 2008-2009 crisis. The results arise increasing of labor market informality, inequality and poverty of mexican people, caused not only by crisis, but wronged neoliberals economic y social adjusting policies implemented against it. By the way, it is necesary deep changes in the above model, such as, economic reforms to afford formal labor demand, employment and salaries increasing, necesary condition for diminishing inequality and poverty of the most mexican people.