How to inquire about social insurance before 2000?

Dear, try the last three first: personal social security before 2000 can be inquired by the local social security bureau, and there should be files to record. Inquiry method of social security card: 1, inquired by social security center. Bring your ID card to the business halls of social insurance agencies in various districts for enquiry. 2. Check online. Log in to the city's labor security network or social insurance business website, click on the "Personal Social Security Information Query" window, and enter my ID card and password to query my insurance information. 3. Telephone consultation. Call the labor and social security comprehensive service telephone for policy consultation and information inquiry. 4. Touch screen query. If there is a social insurance touch screen inquiry system in the business hall of social insurance agencies in each district, swipe your card or enter the card number or ID number according to the screen prompts for inquiry.