IGHE and atopic eczema: Among the allergy states, three cases (9.38%) were allergic to food, six cases (18.75%) were allergic to inhalants, seven cases (21.87%) were allergic to drugs, three cases (9.38%) were allergic to skin (chronic urticaria and atopic dermatitis), of which totaled seven cases (21.87%) of patients with allergic rhinitis, and three patients had more than six allergens in serum-specific IgE detection.