Shandong Laiwu is an urban and rural development reform pilot city. According to the integration of urban and rural areas, Laiwu established and perfected the "trinity" of urban and rural employment guarantee system, "an organic whole" old-age security system, "urban-rural interaction" medical security system, "monetary straight compensation and the hire purchase linkage" housing guarantee system, "government guidance, input multiple" social assistance system, "market operation, the government supervision" of public service safeguard system, walked out a new road of people's livelihood guarantee based on system innovation. <<