You have two choices. First, apply for a student loan. This loan is handled at the county education bureau where your home is located. You need to bring your admission notice and a borrower, or parents, with your ID card.
Second, after you go to college, apply for a college student loan. College students' loans start to be processed around 1 1 every year. You don't need to prepare anything now, just wait for the school to send a notice and handle it according to the requirements of that year. Because there is no loan, you can now apply for a green channel, that is, you can enter school directly without paying tuition fees. This requires you to issue a poverty certificate in the local area, affix the official seal of the local civil affairs department, and apply for a green channel after entering school, but the green channel is generally strictly controlled by each school.
I suggest that you still apply for a local student loan. The procedure is simple, and you are not interested while you are at school.