Allergic children can be better treated by causative therapy and medication. 1. Causal treatment: For allergic children, allergen testing should be actively carried out, avoiding contact with specific allergens is an effective measure to prevent and control various allergic diseases. Specific immunotherapy, also known as desensitization therapy, is the only therapy that can block or reverse the natural course of allergic diseases and prevent allergic rhinitis from developing into asthma, according to the World Health Organization. 2. Drug therapy: epinephrine is the first line of treatment for severe allergic reactions in allergic individuals. Antihistamine drugs oral antihistamines can effectively control the itching of eczema, significantly relieve the allergic rhinitis caused by nasal itching, runny nose, sneezing symptoms, allergic conjunctivitis caused by eye symptoms also have a certain effect on the relief. It is recommended that patients of allergic children must go to the hospital for a clear examination, a clear diagnosis, active treatment, must not be negligent, so as not to delay or aggravate the condition.