Split type nail care polishing pen and safety seat thereof

The utility model relates to a split type nail care polishing pen and a safety seat thereof, the split type nail care polishing pen comprises a polishing pen body, a control machine box and an electric connecting wire, the polishing pen body comprises a handle, a polishing head, a transmission part, a motor, an upper electric connector and a holder, and the polishing head, the transmission part, the motor, the upper electric connector and the holder are arranged in the handle. The electric connector is located in the matching cavity and connected with the holder, the control machine box comprises a machine shell, an electric control assembly and a lower electric connector, the two ends of the electric connecting wire are provided with an upper plug and a lower plug respectively, the upper plug is detachably and electrically connected with the upper electric connector, and the lower plug is detachably and electrically connected with the lower electric connector; the safety seat comprises a safety seat body, a