Generally speaking, a professional should have two qualities, one is hardware knowledge and the other is software knowledge. Hardware knowledge is the professional ability of your position. For example, human resource management must define the five basic modules of human resources, how to set up reasonable posts, how to recruit, what means to evaluate talents and how to cultivate talents. Employee benefits, salary setting, etc. We have an examination for human resources teachers in China, and there will be a systematic introduction of knowledge. Sometimes many domestic units need such certificates to recruit human resources positions. Of course, for a correct understanding of people, you also need to have some knowledge of management and psychology. Because you work with people. For example, software knowledge means basic communication and expression skills, organization and leadership skills, and the ability to analyze and solve problems. If you are a senior leader, you need to have a big picture and a strategic concept. These things are gradually accumulated from work experience.