1.Food intolerance means A: It is a complex metabolic disease, which is an excessive protective immune response of the body’s immune system to certain foods that enter the body and can cause chronic symptoms in various systems of the body. It is a type III allergic reaction. Because the symptoms caused by food intolerance are hidden, it is usually difficult for us to realize its existence. 2. Clinical manifestations of food intolerance The YORK Nutrition Laboratory in the UK analyzed 2,657 suspected patients and found that food intolerance can lead to chronic symptoms in various systems of the body, including 44% of digestive symptoms (abdominal pain, diarrhea, mouth ulcers, flatulence), 16% of skin symptoms (eczema, urticaria, acne, allergic purpura), and 10% of respiratory symptoms (asthma, chronic cough, chronic rhinitis). (asthma, chronic cough, chronic rhinitis) accounted for 10%. 3.How to find out the intolerant food Professional testing is needed. Food intolerance kits from BIOMERICA, USA are graded for each food antigen with different IgG antibody concentrations. The Allergy/Immunization Specialists at the Shanghai Children’s Center (on Tuesdays, Wednesdays, Fridays and Saturdays) currently test for 14 common foods, including beef, chicken, cod, corn, crab, eggs, mushrooms, milk, pork, rice, shrimp, soy, millet and tomatoes. Only 1ml of blood is required, no need to draw blood on an empty stomach, and the cost is 280 RMB. 4.How to solve food intolerance Diet adjustment is the key. For severe intolerance food should be avoided, including all kinds of food containing intolerant food ingredients, such as milk intolerant babies also can not eat cakes, cheese and other foods, you can choose hypoallergenic milk powder or soy milk instead. 5, intolerant food can be eaten later Clinical practice shows that most people improve or disappear after 3 to 6 months of avoiding food. Then they can gradually return to normal diet under the guidance of doctors.