(1) is a legal relationship that combines recruitment with artistic communication. What employers and apprentices establish is a preparatory labor relationship with the content of imparting and learning skills, that is, apprenticeship labor relationship. (2) The specific way of art dissemination and learning is that the recruiting unit entrusts the master to be responsible for the guidance, which is carried out in production practice. (3) The purpose of establishing the legal relationship of apprenticeship training is to establish formal labor relations, and whether the trainees meet the expected training requirements is the main basis for determining whether formal labor relations can be established.