Major diseases generally belong to health insurance! Now Taikang's health insurance is almost 3000! And this critical illness insurance is limited! Payment will only be made after 180 days from the date of insurance 10W serious illness! Anyway, the ratio is so much! Whether it's 180 days or 360 days later, you have to ask your salesman!
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.