The invention relates to a method for converting a heavy metal-enriched plant into a miscellaneous fertilizer containing biological carbon special for mine vegetation recovery, which comprises the following steps of: (1) collecting and drying a straw; (2) collecting a bamboo branch and a bamboo pole, cutting the bamboo pole into a bamboo tube and drying the bamboo branch and the bamboo tube; (3) collecting and drying the heavy metal-enriched plant growing in a mine pollution area; (4) selecting soil on which weeds are grown, shoveling and digging the weeds together with the soil, preparing a blocky turf with soil, and drying; and (5) selecting a patch, bedding the straw and the bamboo branch, covering the bamboo tube on the straw and the bamboo branch, covering the heavy metal-enriched plant on the bamboo tube to pile into a woodpile, covering the turf with the soil on the woodpile, exposing the lower part of the woodpile, igniting the woodpile from the lower part, slowly burning, collecting burned soil and biological carbon after the extinguishment of fire and sieving to prepare the miscellaneous fertilizer containing the biological carbon. The method has the beneficial effects that the heavy metal-enriched plant growing in the mine area is utilized for burning the miscellaneous fertilizer, and the miscellaneous fertilizer is then utilized for improving a mine pollution matrix and promoting the growth of the plant, so that the safe recycling of a phytoremediation harvested product is realized.