Eating peaches mouth swelling is mostly the formation of angioedema, angioedema is mostly due to allergies, eating peaches mouth swelling phenomenon is very common in daily life. For this phenomenon, the following programs are mainly taken for treatment: 1, oral allergy medication, mainly antihistamines, such as vitamin C, fexofenadine hydrochloride tablets, beriberi loratadine tablets, cetirizine capsules and so on. 2, oral glucocorticoid therapy, for severe mouth edema, you can use prednisone acetate tablets or methylprednisolone tablets. According to the patient’s condition recovery, under the guidance of the doctor to reduce or stop the drug. 3, light diet, eat more vitamin C-rich vegetables and fruits, such as cucumbers, lettuce, tomatoes, carrots, etc., as well as drink more water, avoid spicy, greasy, stimulating food, to prevent the symptoms from worsening.