Does five-year social security continuity mean pension or medical care?

It's different. Social insurance includes endowment insurance, medical insurance, industrial injury insurance, unemployment insurance and maternity insurance, commonly known as "five insurances".

Medical insurance pays attention to the continuous payment period, and endowment insurance pays attention to the cumulative payment period.

According to you, your medical insurance continuous payment period is 0; The cumulative payment period of endowment insurance is 5 years.

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