The invention relates to a speed regulating device of a
skin preparation treatment device for the
nursing department. The speed regulating device comprises a handheld shell, a sun rotating wheel, a
planet carrier, a lifting outer ring and an
input device; the handheld shell comprises a shell body, an upper mounting ring, a lower mounting ring, a side opening, an upper limiting ring, a lower limiting ring and an outer thread; the sun rotating wheel comprises an upper driving wheel, a middle driving wheel and a lower driving wheel which are sequentially arranged from top to bottom; the
planet carrier comprises a
planet wheel disc, a planet wheel shaft and a planet roller; the lifting outer ring comprises an outer ring body, a transverse connecting rod, an outer threaded ring and an inner
threaded pipe; and the
input device comprises a driving motor and a driving gear. According to the speed regulating device of the
skin preparation treatment device for the
nursing department, the rotating speed can be adjusted by adjusting the sun rotating wheel or the lifting outer ring, and the adjusting
modes are simple and can be operated by one hand.