The invention aims to disclose a drug delivery device, which comprises a body, an atomizing module, a controller, a spray module, a power supply and other components. The atomizing module is matched with the controller and the power supply to generate a variety of liquid droplet sizes for atomizing liquid to choose from, and then the spraying module is sprayed on the user's part to be absorbed. According to the present invention, the treatment method can be selected according to the needs of the user, thereby improving the treatment effect.本發明旨在揭露一種藥物投遞裝置，其包含本體、霧化模組、控制器、噴霧模組以及電源供應器等元件所構成。透過霧化模組搭配控制器、電源供應器，以產生多種霧化液體之液珠尺寸供選擇，再輔以噴霧模組噴灑於使用者之待吸收部位。於此經由本發明可依據使用者之需求選擇治療方式，進而提升治療效果。
