在农民工的社会保障中,最复杂和最难办的是养老保险。近年来,各级政府经过探索和实践,取得了一定的成绩。然而,从总体上看还存在不少问题,如参保率低,退保率高等。因此,要根据农民工收入低、缴费能力弱、流动性大、劳动关系不健全等多样性特点,建立和完善低门槛进入、低标准享受、分类分层,广覆盖、可转续的公平合理的农民工社会养老保险制度。 In the social security of migrant workers, the most complicated and the most difficult to do is the pension insurance. In recent years, all levels of government have achieved some success through exploration and practice. However, there are still many problems on the whole, such as the low insured rate and the surrender rate. Therefore, we must establish and improve a fair and reasonable low-threshold entry, low-standard enjoyment, classification and stratification, wide coverage and sustainable transfer according to the characteristics of low income, weak payment ability, large liquidity and unsound labor relations among migrant workers. Of migrant workers social pension insurance system.