The present disclosure provides an atomizer comprising: a body including a first open end and a second open end, and defining a first accommodating space and a second accommodating space, and the first accommodating space and The second accommodating space is waterproofly isolated from each other； a first cover plate is disposed at the first open end for closing the first accommodating space； and a second cover plate is disposed at the second open end for Closing the second accommodating space； a spray module is fixed on the body, and is in communication with the first accommodating space for atomizing and ejecting liquid contained in the first accommodating space； and a circuit The module is disposed in the second accommodating space of the body, and is electrically connected to the spray module for driving the spray module.本揭示提供一種霧化器，包含：一本體，包括一第一開口端和一第二開口端，且定義一第一容置空間和一第二容置空間，以及該第一容置空間和該第二容置空間彼此防水隔離；一第一蓋板，設置在該第一開口端，用於封閉該第一容置空間；一第二蓋板，設置在該第二開口端，用於封閉該第二容置空間；一噴霧模組，固定在該本體上，且與該第一容置空間連通，用於將盛裝在該第一容置空間內之液體霧化噴出；以及一電路模組，設置在該本體之該第二容置空間內，與該噴霧模組電性連接，用於驅動該噴霧模組。
