You can change it, but you have to pay a certain fee. Our city has established a transition mechanism from the basic old-age insurance subsidy system for landless rural residents to the old-age insurance for enterprise employees. In principle, the difference in pension insurance premiums shall be borne by individuals, and the conditional village (neighborhood) and group collective economic organizations may share it according to a certain proportion. The new rural cooperative medical system implements a financing mechanism that combines individual contributions, collective support and government funding. At present, the financing level of the new rural cooperative medical system is 55 yuan per capita. In principle, the annual payment standard for individual farmers is not lower than 10 yuan, and the payment standard can be raised in areas with good economic conditions.