What you want to ask is do you need to make an appointment to enter South China Agricultural University?

According to the survey in official website, South China Agricultural University, you can apply for private appointment in the online office hall, and people outside the school can enter the school through appointment SMS.

South China Agricultural University, called Huanong for short, located in Guangzhou, Guangdong Province, is a national key university and a national first-class construction university.