First of all, Taiping Welfare Health A covers 50 kinds of major diseases, and Welfare Health C covers 55 kinds, which are two different types of insurance, both of which have been stopped.
If you have already bought it, you can look at the insurance policy. 18 in the critical illness insurance clause of the policy is the disease type of major diseases, which can be checked by yourself. Or let the original agent send it to you.
I hope I can help you!