There are many different ways in which a practice category can be categorized, depending on the industry and occupation. For example, in the medical profession, the category of practice can include doctors, nurses, pharmacists, etc. In the education profession, the category of practice can include teachers, educational consultants, etc. When filling in the category of practice, one should choose and fill in the category according to one's actual professional status and type of work. This helps to categorize and manage personnel, as well as provide guidance on the protection of rights and interests and career development of different practitioners.