Generally speaking, the admission notice of each university will explain how to handle it. The requirements of each school are roughly the same. The purpose of our school is to fill out a questionnaire on college students and their families, and then stamp it in the civil affairs department of the township or street where the family is located (some require to stamp it in the civil affairs department at the county level), and then attach a poverty certificate issued by the civil affairs department of the township or street where the family is located (indicating family members, family basic income, expenditure, etc.). That is to say, your family is poor) and stamped. Finally, it can be submitted to the school for review. This belongs to our school, and each school may be slightly different. For your reference only