The utility model relates to a benthophyte cropping practices field especially relates to a benthophyte plants system for city river revetment that upright hardens, including the planting base wad that is used for planting benthophyte, the base wad protection pad, support frame and 2 spud piles, it locates on the base wad protection pad to plant the base wad, the base wad protection pad is located on the support frame, the support frame includes frame and inscription in the wire netting of frame, the frame is by first fixed pipe, fixed pipe of second and the fixed pipe of third constitute, the fixed pipe of first fixed pipe and second is the level setting and is parallel to each other and justify, the first fixed pipe end portion and the fixed pipe end part of second that are located one side bie are connected with the both ends of third stiff end, the pipe end fixing is fixed at the wall of revetment towards the water that upright harden to the first fixed pipe end portion and the second that lie in the opposite side, 2 individual spud pile is fixed in in the river course and is used for supporting first fixed pipe respectively fixes the tie point of managing with the fixed pipe of second with the third with the tie point of the fixed pipe of third. The utility model has the characteristics of bearing structure is simple, can realize and upright harden revetment seamless connection.