Abstract The boundedness and compactness of the generalized weighted composition operator on weighted Bergman spaces are discussed. Keywords: Bloch type spaceComposition operatorDifferentiation operatorMultiplication operatorWeighted Bergman spaceMathematics Subject Classification: Primary 47B38Secondary 30H05 ACKNOWLEDGMENT The author is supported in part by by the Educational Commission of Guangdong Province, China (No. LYM08092).