Piezo power generator for power feeding of mobile terminal

Disclosed is a piezoelectric generator for supplying power to a portable terminal. The piezoelectric generator for supplying the power to the portable terminal according to an embodiment of the present invention includes: a portable terminal case which includes a battery mounting unit on one side thereof and embeds components of the portable terminal; a sliding unit which vertically slides on both sides of the frame of the portable terminal case; and a piezoelectric element which is transversely arranged on the battery mounting unit and vibrates according to the sliding of the sliding unit. One or both ends of the piezoelectric element are connected to the sliding unit.