The company didn't buy social security and deducted our tax.

It is incorrect for companies to deduct personal income tax, but it is not helpful to buy social security. It is illegal for an employer not to pay social security to its employees.

Labor law of the people's Republic of China

Article 72 The sources of social insurance funds shall be determined according to the types of insurance, and social pooling shall be gradually implemented. Employers and workers must participate in social insurance and pay social insurance premiums according to law.

Article 73 Laborers shall enjoy social insurance benefits according to law under the following circumstances:

(1) Retirement;

(2) Being sick or injured;

(3) Being disabled at work or suffering from occupational diseases;

(4) unemployment;

(5) bearing.

After the death of an employee, his survivors shall enjoy the survivors' allowance according to law. The conditions and standards for workers to enjoy social insurance benefits shall be stipulated by laws and regulations. Social insurance premiums enjoyed by workers must be paid in full and on time.

Article 100th If an employer fails to pay social insurance premiums without reason, the labor administrative department shall order it to pay within a time limit; Late payment, you can add a late fee.