Chengdu social security broke off for 4 months.

Hello, arrears of maternity insurance for more than 2 months, and medical insurance for more than 4 months are regarded as interruption. It can't be repaid after the interruption, which affects maternity insurance benefits and reimbursement of hospitalization medical expenses. I suggest you pay back the money as soon as possible.

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