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In 2022, the basic medical major of Sun Yat-sen University changed the requirements of the selected subjects from chemistry and biology to physics and chemistry in "3+3" provinces. In the past two years, Sun Yat-sen University has gradually relaxed the requirements of "3+ 1+2" provinces. In 2023, physics candidates can choose either chemistry or biology to apply for basic medicine.

In 2023, the chemistry major of Sun Yat-sen University relaxed the requirements of "3+3" provinces and cities, and the major no longer required compulsory chemistry. In 2023, the school tightened the requirements for the selection of biological science and ecology majors in "3+3" provinces and cities, and only selected chemistry or biology, not these two majors.

202 1, Sun Yat-sen University added the confirmation process of candidates after the college entrance examination. In 2022, it is clear that candidates who confirm to take the school exam but give up for no reason will be notified to the examination enrollment institutions of the provinces of origin and truthfully recorded in the integrity file.

In 2023, Sun Yat-sen University proposed that, in principle, candidates admitted to the strong basic plan should not transfer to majors other than the strong basic plan enrollment major at the undergraduate level, that is, candidates admitted to the strong basic plan can choose to change majors in the strong basic plan enrollment major after entering school, which provides students with the opportunity to choose a second major.

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