Hearthglass lotion belongs to the oscillating agent, which is more effective for allergy treatment. This drug can play a drying, astringent, heat dissipation and anti-itch treatment effect. For allergic dermatitis, eczema, contact dermatitis, atopic dermatitis has a better efficacy, mainly at this time the rash produced by the non-acute phase of exudation, vesicles heavier, for there is a more red color erythema, papules, blisters, macules, plaques, accompanied by intense itching has a better efficacy. Usually the application should be accompanied by oral anti-allergy medication such as Olopatadine Hydrochloride tablets or Epinastine Hydrochloride capsules, and spicy and irritating foods should be avoided during oral as well as topical application.