In order to fully implement ISO 9001:2015 Quality Management System Requirements, ISO 14001:2015 Environmental Management System Requirements, OHSAS 18001:2007 Occupational Health and Safety Management System Requirements, after company research, CQC Quality Certification Center Mr. Zou and Mr. Zhao were engaged to conduct professional training for internal auditors of the company for a period of 3.5 days. Everyone carefully took notes and studied for a time. The atmosphere of study is very high. Finally, the training exam is carried out. I hope that they can gain something from this study and apply it to practical work.