A circular planting wall,A plurality of pipes are arranged in a wall shape.The tube body can be planted with plants.The two ends of the pipe body are respectively provided with water inlet parts and water outlet parts.The positions of the inlet and outlet parts at both ends of any two adjacent pipe systems are opposite to those of the other.And the upper water outlet part is aligned with the water inlet of the lower water inlet part on the same side by the gap of its water outlet.Make the water pass through the pipe body from top to bottom from the water inlet and water outlet parts at both ends of the pipe body.And the water falling out of the water outlet of the lowermost pipe body is pumped back to the water outlet of the uppermost pipe body through the pipeline by the pump.It can supply water for all kinds of plants.一種循環式種植牆，係複數管體排列成牆狀，管體可栽種植物，管體的兩端分別具有入水件和出水件，任二上下相鄰之管體係一者兩端所設之入水件和出水件的位置和另一者相反，且在上之出水件以其落水口隔空對準同邊在下之入水件的接水口，令水由各管體兩端之入水件和出水件由上往下通過各管體，且在最下方之管體的落水口落出的水以抽水泵經管路抽回位在最上方之管體的接水口，以循環供給各種植孔所栽種之植物水分。
