Do I need to enter a password to buy medicine in a pharmacy with my medical insurance card?

The password must be entered for the second generation social security card payment. You can't buy medicine if you don't know the password.

Only designated hospitals, no designated pharmacies, pharmacies only have the qualification of medical insurance credit card, regardless of designated hospitals and pharmacies must enter the password.

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