1. Candidates admitted to the college entrance examination can only be admitted to one major, while you can only study one major in college and finally get a professional diploma.

2. But if you are energetic, you can take a second degree, which is equivalent to studying another major, but this major can only get a degree certificate, not a diploma.

Your major is a professional degree, called the first degree; Another major is that you can choose other majors to study, and you can get the corresponding degree certificate after completing enough credits in this major, which is the so-called second degree. The prerequisite for obtaining a second degree is to obtain a first degree.