Children under the age of five are not unable to eat mango, but mango may cause allergies in children, you can eat a small amount of mango for the first time, observe whether the child has allergy symptoms, if allergic, not recommended to eat again. Mango is a large evergreen tree in the family of Lacertaceae. Most of the Lacertaceae plants will contain a kind of phenol represented by lacertol, which is a kind of alkyl derivative of phenol, catechol or resorcinol with multiple alkyl side chains, and it is a common allergen. Moreover, mangoes that are not fully ripe contain an aldehydic acid, which is irritating to the mucous membranes of the skin, so there is a risk of allergic symptoms when eating mangoes. Children under five years of age gastrointestinal function and immune system function is not perfect, eat mango may cause perioral skin and gastrointestinal mucosa allergy, perioral redness and swelling, abdominal pain, diarrhea and other symptoms. Remind parents, children under five years old can eat mango, but the age of the best is to be more than three years old, you can eat a small amount of mango in the first time, observe the child whether there are allergic symptoms, if due to eat mango allergic reaction, do not recommend eating again, and go to the hospital in a timely manner.