The difference between chrysanthemum and wild chrysanthemum lies in the different flavors and attributes, different efficacies and treatments, and different precautions. 1. Different tastes and attributes: chrysanthemum is sweet, bitter and slightly cold; it is attributed to the lung and liver meridians. Wild chrysanthemum is pungent, bitter and slightly cold; it belongs to the heart and liver meridians. 2. Different efficacy and main treatment: Chrysanthemum belongs to wind-heat dispersing medicine in the antidepressant medicine, its efficacy is to clear away heat and toxins, dispersing wind-heat, clearing the liver and brightening the eyes, and suppressing the liver-yang. Chrysanthemum can be used to treat wind-heat colds, headache and dizziness, redness and swelling of the eyes, blurred vision, canker sores and swollen poisons. Wild chrysanthemum is better than chrysanthemum in clearing heat and removing toxins, and it also has the effect of diarrhea and calming the liver, which is mostly used for treating carbuncles and canker sores (a kind of poisonous sores, which occur on the body surface, limbs, and internal organs of the acute suppurative diseases), and sores and ulcers with Yang evidence. 3. Precautions are different: chrysanthemum should be used with caution for people with Qi deficiency, stomach cold, food loss and diarrhea. People with cold spleen and stomach should not take wild chrysanthemum. The adverse reactions and contraindications of Chrysanthemum and Wild Chrysanthemum are not clear, please use the drug under the guidance of a physician.