This should be Huizhong Hospitalization Income Protection Insurance of China Merchants Cigna. See: /article2.asp for the official introduction of this insurance? Id=2835 (for understanding and reference only).

this is a telemarketing insurance. through cooperation with the bank credit card center, it is convenient to directly deduct the premium based on the telephone recording, but it is also controversial because it is too hasty.

I have given you the introduction website of this insurance type above, so you can make a decision after you know it clearly.