What is the monthly deduction date of Meizhou social security?

There is no fixed deduction time, basically between the 5th of each month and15th, and social security and medical insurance are deducted separately. Policies vary from place to place. For details, please consult the local social security bureau or call the labor security number 12333.

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