Due to changes in the environment and human lifestyle, the incidence of allergic diseases is increasing, allergy is a systemic disease, many children with multiple diseases, combined with allergic rhinitis, allergic asthma, food allergies and skin allergies, involving ENT, respiratory, gastroenterology, dermatology and other specialties, which increases the difficulty of diagnosis and treatment, and the need for long-term treatment of the drug, many parents of babies are very concerned about allergic diseases, can you “get to the root of the disease”, this is the parents are most concerned about. Many parents of babies are very worried about whether allergic diseases can “get to the root of the disease”, which is the biggest concern of parents. Desensitization therapy, which is specific immunotherapy, is the only causative treatment for allergic diseases recommended by the World Health Organization (WHO). The advantages of desensitization therapy compared to symptomatic treatment with drugs include: 1) significantly reducing or even completely relieving the clinical symptoms of allergy sufferers; 2) preventing the development of new allergens, as well as preventing the further development of allergic rhinitis into asthma; 3) reducing or discontinuing the use of symptomatic drugs, avoiding the side-effects of long-term use of medication; and 4) significantly increasing the rate of long-term remission of asthma, and improving the quality of life of allergy sufferers. If your child is plagued by allergic diseases, has reached the age of 3-4 years old, as soon as possible to go to an allergy specialist to assess whether the desensitization treatment can be oh.