Is Beijing social security card reimbursed in real time?

Yes, you use your social security card to see a doctor in a third-class hospital in Beijing and get medicine 1800 in real time. You only need to use the self-paid part, which saves the link of reimbursement back to the unit, and you will be reimbursed when you get to the hospital.

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