After the winter season, most of the babies in the hospital outpatient clinics are suffering from inhalation diseases, and most of them are in the age group of 6 months to 3 years old. Why are babies susceptible to respiratory infections in winter? In winter, with short sunshine hours and a big temperature difference between day and night, babies who are not properly cared for can easily catch a cold and develop respiratory infections. Moreover, various bacteria and viruses are active in winter, and babies with weak resistance are susceptible to bacterial and viral invasion, leading to respiratory tract infections and symptoms such as cough, runny nose and fever. Prevention of respiratory diseases is the key! Reasonable clothing is an important part of the prevention of respiratory diseases, according to the changes in environmental temperature at any time, timely increase or decrease the baby’s clothing, to avoid the baby from getting cold. Don’t put on too many clothes for your baby, it should be convenient for your baby to move around. Pay attention to dietary hygiene. It is better to cook and eat the food for your baby now, and try not to give your baby leftover food from the next day or cooked food from take-aways. Baby’s hands like to touch everywhere, so the contact with bacteria and parasites will be a lot, hand washing is very important, especially those who love to suck the fingers of the baby to wash their hands more often. Pay attention to open the window to ventilate the room, keep the air in the house fresh and dry. If there are people at home, please change your coat and shoes in time after entering the house to avoid infecting your baby with bacteria and viruses from outside. Avoid taking your baby to crowded places, such as shopping malls, supermarkets, movie theaters, etc., and be more careful especially when local diseases such as influenza occur. What should I do if my baby has been infected? The course of common cold is about seven days. If the infection of the whistle is not serious, let the baby drink plenty of water and rest. Mom needs to pay attention to changes in indoor temperature and take care to prevent complications. If symptoms such as recurrent fever or coughing and wheezing occur, it is best to go to the hospital to avoid delays.