Apply for visa
Once you have received the acceptance letter, you need to apply for the visa studying in China.
In terms of your level of study and the time you need to stay in China, you should figure out that which visa category is the most appropriate for your application. (Here is a website that explains the different types of Chinese visa: http://cs.mfa.gov.cn/) F, L, X visa is common for international students to study in China.
Guidance for "Student visa to China": https://studychina.chinadaily.com.cn/s/202204/14/WS612f48e1498e6a12c12051c9/student-visa-to-china.html