How does Guangzhou social security spread to Zhuhai?

Yes, first of all, you have to apply for social security in Zhuhai.

The transfer method is as follows:

1. You just need to go to Guangzhou Social Security Bureau for social security emigration (with your ID card and social security card) and apply for the "old-age insurance payment voucher".

2. You can handle the social security merger in different places in Zhuhai Social Security Bureau. (with ID card, social security card of the insured place, and Payment Voucher of Endowment Insurance).

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.