Buying a house with a foreign hukou in Shanghai requires social security and tax bills, but I don't have them. But I want to buy a house in Shanghai.

If your parents have not paid social security for two years in Shanghai, they can't buy a house.

Conditions for foreigners to buy a house in Shanghai:

1: Married person can provide marriage certificate (marriage certificate).

I don't have a house in Shanghai.

3. Can provide a tax bill or social security that has been paid for 24 months in Shanghai for 3 years.

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