PURPOSE: A water supply structure for a flowerpot is provided to stably supply water to plants inside the flowerpot by being installed on the flowerpot, and to vary the draining location of inflow water. CONSTITUTION: A water supply structure for a flowerpot comprises the following: a water pipe(1) spraying water flowing in from a water supplying pipe(30) to the flowerpot; an outer pipe member(10) with the opened lower side, including an upper water supply port(12) for supplying the water to stems or leaves of plants; an inner pipe member(20) with the opened lower side, including an outlet(21); a shielding ring(22) installed in between the lower side of the inner pipe member and the inner wall of the outer pipe member; and a sealing ring(21a) installed on the outlet of the inner pipe member.본 발명은 화분용 급수구조에 관한 것으로, 더욱 상세하게는 식물의 식재된 화분에 설치되어, 이 화분에 식재된 식물에 물을 안정되게 급수하는 것으로, 특히 유입되는 물의 압력에 따라 물의 배수 위치가 변경되도록 구성한 화분용 급수구조에 관한 것이다.