Training refers to the first time to participate in the training to obtain the qualification certificate, and retraining refers to retraining the main person in charge who has obtained the safety qualification certificate. Basic training refers to the training that takes the introductory knowledge and skills of a certain occupation as the content, with the purpose of enabling trainees to enter the occupation or receive further vocational training. In basic training, training and retraining refer to: training refers to the first time to participate in the training that has obtained the qualification certificate, and retraining refers to the second training for the main person in charge who has obtained the safety qualification certificate. Basic training is a pedagogic term published on 20 13, which comes from the first edition of Pedagogic Terminology.