PROBLEM TO BE SOLVED: To provide a greening structure for a building capable of freely setting and exchanging a plant for greening part of the building by easily handling the plant similarly to potted plants, arranged flowers, or the like. SOLUTION: The greening structure 1 is such one that a frame 7 with an opening is set strip-fashion on a handrail 8a as a vertical or inclined specified member of a multiple dwelling house as a new or existing building and a portable greening plant base 10 planted with a plant 9 is detachably supported on the frame 7, wherein the plant 9 is situated on the opening side. COPYRIGHT: (C)2004,JPO