In　order　to　improving　the　quality　of　water　environment　and　increase　water　use　efficiency,　promoting　and　speeding　up　the　reclaimed　water　facilities　construction　is　a　main　measure　in　the　northern　cities　with　a　shortage　of　renewable　water　in　China.　Urban　reclaimed　water　planning　is　a　strategic,　special　and　comprehensive　layout　which　involving　a　wide　range　of　water　management　and　development.　Based　on　the　analysis　of　the　necessity　of　reclaimed　water　using　and　planning,　the　authors　focused　on　the　basic　principles　that　reclaimed　water　planning　should　be　followed　and　described　the　main　elements　that　should　be　included　in　reclaimed　water　planning.　As　reclaimed　water　has　played　a　significant　role　in　Beijing＇s　existing　water　supply　picture　and　its　continued　development　is　critical　to　meeting　the　growing　water　needs　in　the　capital.　With　Beijing＇s　case　studies　a　potential　users　selection　principle　of　reclaimed　water　was　presented.