I worked in Xi 'an for 3 years, paid social security, and then went to Shenzhen 1 year. Now I'm back in Xi 'an. Can the previous social security in Xi 'an be merged with that in Shenzhen?

Social security in Shenzhen can be merged first.

Specific procedures:

1 First, issue a "social security payment voucher" at the social security center of the transfer place;

2. After that, open a social security account in the transfer place and pay social security; This step has been completed.

3. Fill in the Social Security Transfer Application Form at the transfer place; Finally, submit the voucher and application form to the social security center of the transfer place for review. If there is no problem. It is estimated that your social security will be transferred to the transfer place within 1-3 months.