Health notification refers to the insured's answers to several questions asked by the insurance company when purchasing insurance. Usually, the question is about occupation and past physical health. Only when the answer that meets the requirements passes the requirements preset by the insurance company can the insurance be insured normally. Internet insurance, generally in official website or at the bottom of the mobile product introduction page, click the buy now button, you can see the health instructions. Health notification affects subsequent claims. As long as it is the content of the health notification questionnaire, it must be answered truthfully.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.