The official website Academic Affairs Office of some universities will release the official electronic version of university textbooks, and students who need it can find their own professional electronic version to download. If there is no electronic version of university textbooks in official website, it is necessary to find the specific textbooks used by the college and download them from some higher education publishing houses and other official website. Generally, the electronic version of extended information university textbooks can be downloaded from the educational administration system in official website. If there are electronic university textbooks in official website, students of this school can log in with their own student accounts and passwords, and directly download the professional electronic textbooks after entering the teaching system. If there is no electronic version of university textbooks in official website, you can find official website from some publishing houses to see if there are any electronic versions of university textbooks that meet the requirements, and download them directly after finding the electronic textbooks that meet the requirements. At present, the electronic version of university textbooks is incomplete. Some university textbooks can be downloaded in the corresponding electronic version, while some university textbooks cannot be downloaded in the electronic version.