Can Shanghai social security field rural hukou be bought?

Yes, rural social security is paid annually, with five grades. If you need to buy monthly social security in other places, you can stop paying rural social security, and the amount you pay now can be transferred to your own monthly social security, and the number of years cannot be deducted. If someone in your family is over 60 years old and enjoys it, you need to issue a social security certificate at the social security bureau where you work and send it home with a stamp to prove that you have purchased social insurance.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.