1. If the unit fails to pay social security during the probation period, employees can negotiate with the company; 2. If the company still refuses to pay social security due to improper negotiation, you can complain to the labor inspection department, and the labor inspectors will negotiate with the unit; 3. If the labor inspection fails, you can apply for labor arbitration and litigation according to law.
Legal objectivity:
Article 58 of the Social Insurance Law of People's Republic of China (PRC) * * * The employer shall, within 30 days from the date of employment, apply to the social insurance agency for social insurance registration for employees. 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.