Does Beijing's "continuous payment of social security for five years" mean that it has been five years or must be paid in the month of buying a house?

Yes, it affects buying a house. At present, some cities have limited purchase policies for non-local household registration:

Beijing: five years in a row

Non-Beijing residents need to pay social security or (personal income tax) for five years when buying a house. The so-called five years, that is, you have to pay continuously in the month when you buy a house. If it is interrupted, it is necessary to start calculating the continuous payment time again.

Shanghai: five years in a row

Non-Shanghai resident families need to pay personal income tax or social security for 5 years or more before the date of purchase, and they cannot be interrupted. One-time payment will not be recognized.

Guangzhou: Three years in a row.

Non-Guangzhou residents must pay personal income tax or social security for three years or more in Guangzhou within five years.

Shenzhen: For three consecutive years.

Non-Shenzhen residents need to pay social security for three consecutive years (37 months) when buying a house.