Legal analysis: which party pays social insurance for the labor dispatch personnel is determined by the labor dispatch company and the actual employer through consultation. However, in any case, the labor dispatch unit or the employing unit must pay various social insurance premiums for the labor dispatch personnel, and cannot shirk and infringe on the rights and interests of the labor dispatch personnel.

Legal basis: People's Republic of China (PRC) Social Insurance Law.

Article 3 The social insurance system adheres to the principles of wide coverage, basic protection, multi-level and sustainability, and the level of social insurance should be compatible with the level of economic and social development.

Article 4 Employers and individuals who pay social insurance premiums according to law in People's Republic of China (PRC) have the right to inquire about payment records and personal rights and interests records, and ask social insurance agencies to provide social insurance consultation and other related services. Individuals enjoy social insurance benefits according to law and have the right to supervise the payment of their own units.