1. Different concepts Social security is the abbreviation of social insurance. Social insurance is a social and economic system that provides income or compensation for people who have lost the ability to work, temporarily lost their job, or suffered losses due to health reasons.

Medical insurance is the abbreviation of medical insurance, which is a kind of insurance that compensates for the medical expenses caused by diseases.

Social insurance that provides necessary medical services or material assistance to employees due to illness, injury, or childbirth, provided by the society or the enterprise.

2. Different functions Social security can provide insured persons with economic security within the scope of basic medical insurance, basic pension insurance, work-related injury insurance, unemployment insurance and maternity insurance.

Because social insurance is a government act, it has mandatory characteristics.

Legal basis: Article 4 of the "Social Insurance Law of the People's Republic of China" Employers and individuals within the territory of the People's Republic of China who pay social insurance premiums in accordance with the law have the right to inquire about payment records and personal rights records, and request social insurance managers to

The agency provides social insurance consulting and other related services.

Individuals enjoy social insurance benefits in accordance with the law and have the right to supervise the payment of contributions by their units.

Article 58 The employer shall apply to the social insurance agency for social insurance registration for its employees within thirty days from the date of employment.

If a person has not registered for social insurance, the social insurance agency shall determine the social insurance premiums he or she must pay.

Individual industrial and commercial households without employees who voluntarily participate in social insurance, part-time employees who have not participated in social insurance in the employer, and other people with flexible employment should apply to the social insurance agency for social insurance registration.