PURPOSE: A hand-held miniature skin care device and a drive power control method thereof are provided, which can minimize consumption of a battery. CONSTITUTION: A hand-held miniature skin care device comprises a hand contact part(10) formed in the one part of a housing; an operation portion which applies electrical action to the object skin; a circuit part(60) for drive of the skin care device; a MICOM(40) computing input signal of an on/off switch installed at housing; a low voltage battery supplying power to the circuit component; a circuit part(20) keeping circuit-connection; and a DC converter(30) which changes voltage of the low voltage battery into the MICOM operation voltage.
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