According to the modern distance education of China Agricultural University, students fill out the application for dropping out of the online education college of China Agricultural University online, which is submitted to the online education college of China Agricultural University for examination and approval by the off-campus learning center after preliminary examination, and reported to the higher education authorities for the record. The procedures for dropping out of school are handled in accordance with relevant regulations. The college starts to apply for withdrawal every month 1 working day. Those with complete materials can complete the refund within 14 working days, and 1, February, July and August are not allowed during the school's winter and summer vacations. Drop-out students should submit tuition invoices, drop-out application forms, student ID cards and fees for using teaching materials.