Legal analysis: 1. Organization code: refers to the code issued by the administrative department of quality and technical supervision. If the insured unit does not have the qualification to assign codes, the social security agency will give it a complement, which is a must. 2. Code of social insurance registration certificate: refers to the code of social insurance registration certificate issued by the social insurance agency in accordance with relevant regulations, which is filled in truthfully by the unit and is required. 3. Insurance: check according to the insurance that employees should take, required. 4. Name: consistent with the contents of resident ID card or household register, input required. 5. Citizen ID number: The insured person shall fill in the 18 citizen ID number issued by the public security organ, which is required. 6. Date of birth: it should be consistent with the resident ID card or household registration book, which is required. 7. Gender and nationality: consistent with the contents of the resident identity card or household registration book, foreigners must choose other nationalities. 8. marital status code item: consistent with the contents of the household registration book.

Legal basis: People's Republic of China (PRC) Social Insurance Law.

Article 4 Employers and individuals in People's Republic of China (PRC) shall pay social insurance premiums according to law, and have the right to inquire about payment records and personal rights and interests records, and ask social insurance agencies to provide social insurance consultation and other related services.

Individuals enjoy social insurance benefits according to law and have the right to supervise the payment of their own units.

Article 58 An employing unit shall, within 30 days from the date of employment, apply to the social insurance agency for social insurance registration for its employees. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay. Employees-free individual industrial and commercial households who voluntarily participate in social insurance, part-time employees who do not participate in social insurance in the employing unit and other flexible employees shall apply to the social insurance agency for social insurance registration. The state establishes a national unified personal social security number. Personal social security number is a citizen's identity number.