Method for repairing cooper contaminated soil by using three copper resistance flower plants

The present invention discloses a method for repairing cooper contaminated soil by using three copper resistance flower plants, and belongs to the technical field of contaminated soil plant repair. According to the method, tagetes patula, garden balsam flower and tuberous sword fern rhizome are planted on cooper contaminated soil, a large amount of cooper is absorbed from the cooper contaminated soil through root systems of the three flowers, and is transferred to the overground part, the plants are harvested and then are sold or subjected to resource utilization, and operations of a plurality of the repair period are repeated to remove copper contamination in the soil. The method has the following beneficial effects that: characteristics of simple process and low cost are provided; physical and chemical properties of the soil are not destroyed, and no secondary pollution is generated; and a good copper contaminated soil repair effect is good, the method is applicable for a large area of ??copper contaminated