Within the specified time (from 9: 00 on May 13 to 6: 00 on May 19), candidates can modify their volunteers several times and then make online volunteer confirmation; Candidates who fill in the "advance approval" cannot modify their volunteer information after submitting the "advance approval" to the institutions for examination and approval; Candidates who fill in the "ordinary batch" and "filing the card" can cancel their volunteer confirmation for up to 2 times, and can modify their volunteers and reconfirm their volunteer opportunities if necessary. Candidates who decide not to make voluntary changes must make online voluntary confirmation within the specified time. After canceling the volunteer confirmation, you must confirm it online again, otherwise the volunteer will be invalid.
Candidates should arrange their volunteers reasonably, combine their test scores, rankings, enrollment plans of professional groups in colleges and universities and admission scores of colleges and universities in previous years, appropriately widen the gradient between professional groups in colleges and universities, and improve the chances of being admitted.