The method of conditioning an allergic child includes diet, daily living, desensitization treatment, and improvement of physical condition. 1. Diet: Breastfeeding until one year of age, following the principle of small amount and slow speed when adding complementary foods (neither risking nor blindly avoiding), adding complementary foods one at a time, recording allergy-causing foods, and recording food notes for children with suspected food allergies. Go to the hospital for allergen testing in time to avoid allergy-causing foods. 2. Living: Do not contact with allergens that have already been identified, such as pollen, hair, etc., and change clothes and pillowcases that come into contact with the allergens. 3. Desensitization: If the allergy symptoms are severe, desensitization treatment can be carried out under the guidance of a doctor. 4. Improve physical fitness: Exercise more often, have a regular routine, get enough sleep, and strengthen the immune system. Children with severe allergies need to consult a doctor in time, follow the doctor’s instructions for treatment, do not use drugs without authorization.