The present invention relates to a method for locating and updated guiding of the movements of users in a building that has at least some enclosed spaces delimited by obstacles to the movement of the users, said updated guiding being carried out according to an event in the building, following routes leading to one or more given target locations, said guiding being adapted for each user, with objects connected by wireless communication link with a remote resource server which is a control server accessible via a communication network. The invention also relates to the associated device.