Duetothecloserelationshipbetweenregionalclimateanomaliesandsocial-economyandsocietydevelopment,climatologistsworldwidepaidgreatattentiontotheregionalclimateanomaliesoveralongperiodoftimeandthecorrespondinginvestigationofregionalclimatemodelinghasmadegreatprogresses.Since1990theregionalclimatesimulationshavemadeamoresubstantialachievement.Thispaperwillfocusonthereliabilityanduncertaintiesofregionalclimatemodelingbyglobalclimatemodels,theadvancesonregionalclimatemodelingintheworldandtheoutlookofregionalclimatemodeling.