What is the impact of the deep household social security being cut off for 3 months?

If social security contributions are interrupted

Deep-seated insured (the first file of basic medical insurance): From next month 1, you can use the personal account balance in medical insurance, but you can't enjoy the medical insurance benefits paid by the medical insurance pooling fund.

Non-household insured persons (second grade of basic medical insurance): from next month 1, they cannot enjoy the medical insurance benefits paid by the medical insurance pooling fund.

If the social security payment is interrupted for less than three months

If the insured person is interrupted for no more than 3 months in the medical insurance year, after re-payment, the continuous insured time before and after the interruption will be calculated together.

If social insurance payment is interrupted for more than 3 months

If the insured person is interrupted for more than 3 months in the medical insurance year, it shall be recalculated.

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