Need. Under normal circumstances, the cloud platform for college students' smart entrepreneurship and employment in Liaoning Province will require users to enter the mobile phone verification code when registering, logging in or performing important operations, so as to increase the security of user accounts and prevent identity theft. Using mobile phone verification code can improve account security and reduce the risk of being attacked by hackers or unauthorized access. Compared with only relying on user name and password for identity authentication, using mobile phone verification code is more difficult to forge or crack.