How much is Tianjin social security deducted every month?

20 yuan. Tianjin's large medical insurance is 260, deducted 12 times a year. Employees with large medical insurance will be deducted from 20 yuan every month, and retirees will be deducted from 30 yuan every month. Large medical insurance refers to the medical expenses that exceed the maximum payment limit of the basic medical insurance pooling fund due to serious illness and serious illness of the insured on the basis of basic medical insurance.