Unlimited number of times. According to the relevant announcement of the Social Security Bureau, as long as they comply with the national and local family planning policies, are in the state of maternity insurance at the time of childbirth, and the number of years of continuous participation is in line with local regulations, they can participate in maternity insurance reimbursement, and the number of times of maternity insurance reimbursement is unlimited. Maternity insurance is a social insurance system in which the state and society provide medical services, maternity allowance and maternity leave when pregnant and pregnant female workers temporarily stop working, and the state or society provides necessary economic compensation and medical care for maternity workers.