With the development of the capitalist economy, periodic economic crisis broke out in the capitalist countries, which brought a huge impact on development of society. The rapidly rising unemployment rate, the continuous loss of national finances and many people suffering from "welfare disease" have exposed the shortcomings of the Welfare State System. On the basis of sorting out the literature and related books, the article tends to illustrate the performance of the welfare state crisis and analyzes the limitations of its reform and the encountered difficulties. It is believed that the biggest obstacle comes from the universal suffrage system that accompanied the welfare state system. Every coin has two sides. For China's current welfare security policy, we must view the experience and lessons of the western welfare state system from a dialectical perspective.