Social security companies pay half to employees and half to employees.

Legal analysis: regarding social security, the proportion of social security contributions consists of individual contributions and unit contributions. The provisions of social security contributions vary from region to region, and the base is the total wages. It is illegal for companies and individuals to pay 50% social security, and you can terminate the labor relationship.

Legal basis: Article 58 of the Social Insurance Law of People's Republic of China (PRC) stipulates that the employer shall apply to the social insurance agency for social insurance registration for employees within 30 days from the date of employment. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay. Employees-free individual industrial and commercial households who voluntarily participate in social insurance, part-time employees who do not participate in social insurance in the employing unit and other flexible employees shall apply to the social insurance agency for social insurance registration. The state establishes a national unified personal social security number. Personal social security number is a citizen's identity number.