It's useless When signing an insurance contract, the applicant shall personally sign (by fingerprint) or sign. If the insurer or China people sign on behalf of the applicant, the insurance contract shall come into effect after being approved by the applicant. The Notice on Issues Related to Standardizing the Business Behavior of Personal Insurance promulgated by the CIRC stipulates: "Personal insurance application form, health and financial notification and other documents indicating the willingness to apply for insurance or applying for changing the insurance contract shall be filled out by the insured himself. If it is filled in by others, it must be confirmed by the applicant's personal signature, and it shall not be signed by others.

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