1. The human resources department has high technical difficulty, high qualification requirements and long-term development. The certificate of human resource manager is issued by Ministry of Human Resources and Social Security, China, which is universal and exempt from inspection for life. This year, the certificate reform has included the industry access certificate, which is the only qualification certificate recognized by the state for human resources-related occupations and requires certificates.

2. The public security administrator refers to the person who is engaged in maintaining the internal public security order of organs, organizations, enterprises and institutions, implementing public security precautions, preventing illegal crimes and protecting the safety of personnel and property within the unit. The work is difficult and the promotion space is limited.