Can I use my social security card instead of my ID card when I take the high-speed train?

No, the social security card is not a valid travel document. However, you can use the following documents: temporary identity certificate, passport, household registration book, driver's license, Hong Kong and Macao pass, Taiwan pass, military-related documents, etc. Although the social security card has many functions, it can't take the high-speed train nationwide at present. If you lose your ID card, you can go to the relevant departments with your social security card to take the high-speed train in temporary id card.

Resident Identity Card, temporary id card, Household Registration Book, Travel Permit of the People's Republic of China, Military Security Card of the People's Liberation Army of China, Military Officer's Card, Armed Police Officer's Card, Soldier's Card, Military Cadet's Card, Military Retired Cadre's Card, Valid Passport that can be used according to regulations, Travel Permit for Hong Kong and Macao Residents to and from the Mainland, Travel Permit for Taiwan Province Residents and Mainland Residents to and from Taiwan, Residence Permit for Foreigners, Diplomat's card, consulate's card, seaman's card, foreigner's identity certificate issued by the Ministry of Foreign Affairs, passport loss report certificate issued by the exit-entry administration department of the local public security organ, and temporary identity certificate issued by the railway public security department.

legal ground

People's Republic of China (PRC) social insurance law

Article 4 Employers and individuals who pay social insurance premiums according to law in People's Republic of China (PRC) 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.

Fifth people's governments at or above the county level shall incorporate social insurance into the national economic and social development plan.

The state raises social insurance funds through multiple channels. People's governments at or above the county level shall give necessary financial support to social insurance.

The state supports social insurance through preferential tax policies.

People's Republic of China (PRC) Identity Card Law

Article 3 The contents of the resident identity card registration include: name, gender, nationality, date of birth, permanent residence, citizenship number, personal photo, fingerprint information, validity period of the certificate and issuing authority. Citizenship number is a unique and life-long identity code for every citizen, which is compiled by public security organs according to the national standard of citizenship number. Citizens applying for obtaining, renewing or replacing resident identity cards shall register their fingerprint information.