Flower essences cause allergic symptoms, mainly in the sprayed parts of the flower essences, there are well-defined erythema, or even redness, on which there are small papules and blisters, and some blisters break down to form a vesicular surface and exudate, and can also be accompanied by itching or stinging pain. For the above symptoms can be treated with different drugs, such as oozing, vesicles, can be applied externally 2% boric acid solution, and for the red and swollen areas can also be applied externally this drug, until the redness and swelling subsides, blisters and vesicles ooze, dry crust, and then topical hydrocortisone butyrate, or fluticasone propionate for treatment. Oral Orotadine hydrochloride tablets and Glycopyrrolate capsules can also be used.