The embodiment of the invention provides a condition-based user selecting CBUS management method, a server and a system. The condition-based user selecting management method comprises the following steps: receiving a management command of a condition and/or a range of selecting users from a user terminal by a CBUS server; judging whether the user terminal has the management authority of the condition and/or the range of selecting the users according to predetermined set information of the management authority of the condition and/or the range of selecting the users; and if so, performing the management command of the condition and/or the range of selecting the users transmitted by the user terminal. By the technical method provided by the embodiment of the invention, the management of thecondition and/or the range of selecting the users is more orderly by judging whether to perform the received management command or not according to the predetermined management authority of the condition and/or the range of selecting the users, therefore the management disorder is avoided and a user can use the condition and/or the range of selecting the users more conveniently.