Nanjing social security payment broken 3 months medical insurance card money will be cleared?

Accurately, no. But your years of service will be zeroed out, meaning you would have paid for 30 years.

But your years will be cleared, that is to say, originally you have to pay the full 30 years, before you have paid 5 years, there are still 25 years, but you intermediate disconnect 3 months, then the years will be cleared thick, will be re-accumulated, that is to say, starting from the first year, and then accumulating 30 years, in order to enjoy the country's health insurance.