The present invention is a functional flowerpot, and more particularly, it is a very useful invention that can be placed in the top of a fish tank and automatically supplied with water from the fish tank to grow the fish tank and flowers at the same time. The present invention has an advantage of being easy to carry while allowing natural photosynthetic action by the sunlight by simply separating a lighting device from the fish tank when installing the same in outdoors.COPYRIGHT KIPO 2020본 발명은 기능성 화분으로서, 더욱 상세하게는 어항의 상부에 화분을 안치하고 어항으로부터 물을 자동으로 공급받고 어항과 화초를 동시에 키울 수 있는 매우 유용한 발명인 것이다.