Intelligent method and device for coupling user with group via special serial number

The invention provides an intelligent method for coupling a user with a group via a special serial number. The method comprises the following steps that a client terminal obtains a corresponding APP install pack according to sharing data sent by a first application terminal, the APP install pack comprises an APP and a feature code, and the feature code comprises a first account of the first application terminal and the group number of the first application terminal; in response to an installation request, the client terminal installs the APP and generates a second application terminal; the second application terminal obtains the group number; the second application number receives registration information input by the user; and the second application terminal sends the registration information and the group number to a server so that the server generates a second account according to the registration information and adds the second account to the group number. In addition, the invention also provides an intel