The invention provides an intelligent management system and an intelligent management method of a water purifier. The system includes a water purifier monitoring terminal, a remote monitoring server and an APP client. The water purifier monitoring terminal is bidirectionally communicated with the APP client through the remote monitoring server. The remote monitoring server comprises a register module, a log-in module, a binding module, a query module, an intelligent prompting module, a water quality query module and a filter core purchase module. In the system, by means of the APP client, a user can check operation status of the water purifier at any time, and when the water purifier is in failure, the APP client displays failure information of the water purifier, comprising: water leakage information, information of prompting replacement of the filter core, etc. In addition, a user can query surrounding water quality information and one-click purchase of the filter core through the APP client, so that the user can know the use status of the water purifier more easily and quickly.