It is the wish of every parent to have a healthy and happy baby, and it is very important to have a healthy and strong child, so naturally, milk has become one of the must-have foods for parents today. As we all know, milk is one of the main nutrient-rich foods, rich in high quality protein, calcium and rich in vitamin B complex, which can complement various other foods to enhance the nutritional value. Although milk is a little less important for human growth than breast milk, experts still recommend that children, and even people in general, should continue to drink milk after weaning in order to maintain their growth and health. But, dear parents, when you choose milk for your children, have you noticed that such a “perfect” nutritional product can actually have an impact on your baby’s health? With the improvement of people’s quality of life, milk, eggs and other nutritional products have been a common household meal, and more and more people are consuming the above high-protein nutritional products, allergic diseases are also common. Epidemiological surveys show that milk, eggs, peanuts, wheat, nuts and seafood are the six major food allergens that cause allergic diseases in infants and young children in China, with milk ranking first. Some parents may have this experience: their babies can’t drink milk, once they drink it, they will have rash, facial or general swelling, general itching or diarrhea, vomiting and other gastrointestinal symptoms, and some babies will even have repeated wheezing symptoms. In fact, the above symptoms are the baby’s allergic reaction to the proteins in the milk, also called food intolerance phenomenon. Most babies have atopic skin inflammation, i.e. angioneurotic edema and rash on the face or body, which will gradually improve after getting rid of the allergen and taking anti-allergy medication. In contrast, some babies develop pediatric asthma because the proteins in milk produce an allergic reaction in the body, causing hyperresponsiveness in the child’s airways. So why can drinking milk also cause pediatric asthma? It turns out that milk is a foreign protein to the body, and after entering the gastrointestinal tract, the body produces immunoglobulin E (IgE) to foreign antigens, which binds to mast cells and becomes a sensitized cell. When the antigen (milk) invades again, the combination with the sensitized cells causes the release of bioactive substances from the sensitized cells, such as histamine and prostaglandins, causing a series of reactions in the body, which manifest in the gastrointestinal tract, resulting in nausea, vomiting, abdominal pain, diarrhea, etc., and in the respiratory tract, resulting in bronchial smooth muscle spasm, leading to asthma. Most allergic reactions to the proteins in milk in children are predominantly mild and are naturally tolerated. Epidemiological studies have shown that as babies grow older, their tolerance to protein allergy will gradually increase, i.e. the older they are, the less allergic reactions to the protein in milk as an allergen, so it is also important to remind parents and friends here that when choosing milk for their babies, they should pay attention to choosing milk that contains more high-quality protein, and there is no need to be overly panicked about milk, just pay attention to whether the baby will have an The adverse reactions, timely detection and early correction, to avoid greater harm to the baby.