An atomizer comprising a medicine cup device and a host device coupled to the medicine cup device, the medicine cup device for atomizing a liquid and storing an optimum resonance frequency parameter corresponding to a reference spray rate and a desired feedback voltage parameter associated with the optimal resonant frequency parameter, the host device adjusting and transmitting the frequency of the supplied voltage to the cup device according to the optimal resonant frequency parameter, wherein the cup device is the most In a state in which the good resonant frequency parameter is oscillated, the host device repeatedly adjusts the supplied voltage according to a current feedback voltage parameter indicating the current feedback voltage and the desired feedback voltage parameter until the current feedback voltage parameter It is desirable to feedback the voltage parameters so that the cup device is sprayed at the reference spray rate.一種霧化器，包括一藥杯裝置及一與該藥杯裝置接合的主機裝置，該藥杯裝置用於將一液體霧化噴出，且儲存有一對應一基準噴霧速率的最佳諧振頻率參數及一相關於該最佳諧振頻率參數的期望回授電壓參數，該主機裝置根據該最佳諧振頻率參數，調整並傳送所提供之電壓的頻率至該藥杯裝置，在該藥杯裝置以該最佳諧振頻率參數進行震盪的狀態下，該主機裝置根據一指示出當前之回授電壓的當前回授電壓參數及該期望回授電壓參數，重複地調整所提供的電壓，直到該當前回授電壓參數達該期望回授電壓參數，進而使該藥杯裝置以該基準噴霧速率進行噴霧。
