Chrysanthemum coronarium is the emperor's dish, it is in ancient China for the court delicacies, so there is the "emperor's dish". Chrysanthemum coronarium is also known as artemisia, artemisia, chrysanthemum vegetable, belongs to annual or biennial herbaceous plants, leaf blade is long pinnate division, flower is yellow, white, and wild chrysanthemum similar to the stem and leaves can be eaten when young, can be used as medicine.