PURPOSE: A vegetation structure is provided to prevent inflow of leachate or saline water to plants planted on reclaimed soil. CONSTITUTION: A vegetation structure comprises: upper and lower plates(10,20) which are separately place at the upper portion and the lower portion, respectively; two side plates(30) which connect both end of the upper and lower plates; first and second outer guides which are downwardly protruded along the longitudinal direction of the upper plate; first and second corresponding outer guides which are upwardly protruded along the longitudinal direction on the lower plate; a plurality of guide units which is arranged in a predetermined interval long the left and right longitudinal direction of the upper or lower plate; a plurality of upper drainage holes(50) which is arranged between the outer guides; a plurality of lower drainage holes which is arranged between two guide units; a flow channel which connects the upper and lower drainage holes; and first and second inner guides.
