Level: Hello, the professional titles can be roughly divided into junior, intermediate and senior (there are also five levels: senior, deputy senior, intermediate, junior and technician). This is the level of professional title (that is, grade), and different levels of professional titles need to meet different conditions;

Category: At present, the common categories are engineers (architecture, computer, water conservancy, etc. ), economics (accounting, economics, statistics, etc. ), and medicine (doctors, pharmacists, nurses, etc. ).

As for the grade, you may refer to the grade of professional title English and professional title computer. (Anhui Guo Sheng Education answers for you)