The rapid development of information technology has not led to the progress of power source

and supply energy density is not significantly improved.Piezoelectric vibration generator is an innovative type of persistent

clean and maintenance-free power generation device.The research of piezoelectric ceramic technology for power generation has received wide attention

which has good prospect of applications in wireless sensor networks.The principle of the generation using piezoelectric ceramics is analyzed.Methods of generation about piezoelectric ceramics

energy storage and matching circuit are explained.Its typical applications are introduced.Finally hot issues and development direction in the future are summarized.