You draw up a poverty-stricken subsistence allowance certificate at home and get it stamped by the local civil affairs bureau.
Just apply for student financial aid at the beginning of the semester and hand this in.
As long as it is a local low-income household, it will definitely get subsidies.
There are roughly three kinds of subsidies: one semester 1500 1000500.
The school will issue it appropriately according to the actual situation.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.