2. Insurance agents or full-time underwriting personnel can choose beforehand or afterwards. The insurer must have detailed information, including the declaration of insurance application, the opinions of agents or brokers, field investigation reports, information provided by banks, credit companies and employers related to the insured, etc. We should also pay attention to avoiding moral and psychological risks, properly handle the pressure from government compulsory insurance, the contradiction between sales promotion and underwriting, and handle bad risks. If the harm is too great, the insurance shall be refused; For risks above the average level, the insurance premium rate should be increased or suggestions for improvement should be made to the insured, so that they can be insured after improvement.