The invention relates to a method for pre-enrolling examinees on the Internet, which belongs to applications of networks and network instant communication technology on enrollment. The invention enables the enrollment to be open, fair, equality impartial, interactive and fast, and prevents high mark students from failing to enter a college and speculation of low mark students. The method comprises the following steps: each examinee registers a nickname with true information, such as marks; by taking the college entrance examination as the example, colleges and universities are decomposed in technical ways, and the undetachable planned detail enrollment is directly used as the enrollment unit for each major; the examinees submit applications by getting on the Internet, directly dialing the telephone or sending short messages; the enrollment organizations simultaneously start the enrollment, and the examinees simultaneously submit applications for enrollment; the authority does not set isolating enrollment marks, and if the lowest criterion of examination is set, the enrollment mark is only for reference; on the basis of security analysis technology, a segmenting table is created for instantly analyzing pre-enrollment, selecting colleges and reflecting pre-enrollment progress; and Web forum systems, Tencent QQ group chat systems and on-line security immediate transaction systems can be improved and integrated into an on-line pre-enrollment system.