Protect what?
The maximum health insurance is 6 million: hospitalization due to illness is 6.5438+0 million, accidental hospitalization is 2 million, and serious illness is 3 million.
There are no restrictions on social security drugs, diseases and treatment methods. As long as it is reasonable and necessary, all medical expenses can be reimbursed.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.