The present invention relates to an aquarium unmanned management system capable of real-time remote control and alarm, which has a complete unmanned system to enable management and control of the corresponding aquarium with remote control, and has a smartphone application connection system to remote monitor and control to allow to perform real-time control to the aquarium more appropriately and rapidly from a short or long distance with a photography tool obtaining inner and outer images of the aquarium in real-time. The aquarium unmanned management system comprises: an aquarium unit (100) measuring the water temperature, hydrogen ion concentrate, oxidation reduction potential difference in real-time, and controlling the operation of a corresponding device according to the relevant situation information when a change out of an error range compared to each preset reference value based on the measured data is detected； a server unit (200) remote-controlling a corresponding device based on the data transmitted from the aquarium unit so as to be able to induce the normalization of the measured value； and a terminal (300) compatible to the server unit and wirelessly obtaining the changed status on a real-time basis. The aquarium unit additionally comprises a photography tool to wirelessly transmit image information taken by at least one camera, and the image obtained from the photography tool is transmitted to and stored in the server unit, transmitted to a smartphone application through a mobile communications wireless data network to be supplied to a terminal, wherein live images of the aquarium, hydrogen ion concentrate, oxidation reduction potential difference and water temperature information are monitored on a single screen supplied to the terminal. [Reference numerals] (AA) Aquarium unit； (BB) Sensor unit； (CC) Device unit； (DD) Control unit； (EE) Server unit； (FF) Database； (GG) Terminal； (HH) Aquarium watching application본 발명은 완벽한 무인화 시스템을 구축하여 원격으로 해당 수족관의 관리 및
