Network slice management and selection method and system, base station and route switching equipment

The invention discloses a network slice management and selection method and system, a base station and route switching equipment. The network slice management and selection method comprises the steps of receiving a corresponding relation, which is sent by a control arrangement module, between slice IDs and NF IDs, or querying a corresponding NF ID according to a slice ID; receiving slice ID information sent by UE (User Equipment), and determining an NF ID corresponding to the slice ID information sent by the UE according to the corresponding relation between the slice IDs and the NF IDs; guiding data sent by the UE to a corresponding slice entry according to the determined NF ID; and performing network slice addition, update and deletion through the control arrangement module.