1. official website, Ministry of Education: Visit official website, Ministry of Education, China, and you can find relevant professional classification information in columns such as "Information Disclosure" or "Plan Summary".

2. College Admissions Website: Many colleges and universities will introduce the classification and attribution of various majors in detail on the admissions website. By visiting the enrollment website of the target university, you can find information related to your major.

3. Libraries and databases: On the websites of university libraries or public libraries, you can find relevant professional classified books or databases to understand your major categories.

4. Online consultation: You can consult other professionals or students who are already studying through online search or social media to find out which major your major belongs to.

5. Professional curriculum: By looking at the curriculum of this major, we can know the fields and directions covered by this major. Generally speaking, the same or similar courses will belong to the same category.

6. Industry standards: Some industries or fields will have their own professional classification standards. You can refer to relevant industry standards to determine your major categories.

7. Different countries and regions may have different professional classification systems, so the above methods may not be applicable in all cases. If you are studying abroad or taking international courses, it is recommended to refer to the official education website of the target country or region or the professional classification information provided by relevant institutions.

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Brief introduction of main categories

1, professional category refers to the classification of college students in the same or similar disciplines according to certain standards. There are several categories under each subject category, and each category contains several specific majors. The division of major categories is usually based on the commonality of disciplines, market demand, personnel training and other factors.

2. When choosing a major, it is very important to know the major categories. Majors in the same category usually have similar curriculum, training objectives and employment prospects. It will help students to better understand the characteristics and future development direction of the major. At the same time, understanding the major categories can also help students better plan their career development path and choose the professional direction that suits them.