Method for householder of mansion to manage entrance by smart phone

摘要

The present invention provides a method for householder of mansion to manage entrance by smart phone, so that the householder can manage entrance at outside. When a visitor pushes a doorbell of a mansion door machine, the householder at outside uses a smart phone to conduct audio and video communication with the visitor. If the householder agrees to let the visitor go in, the householder instructs the smart phone to generate a password for the visitor to memorize and let the visitor enter the mansion. The password is also sent to a home door machine of the householder. When the visitor an ives the home door machine of the householder, input the password. If the password inputted by the visitor is the same as the password generated by the smart phone, then the home door will open to let the visitor go in.