Infants often cold to find the cause of frequent colds, for the cause of the corresponding treatment treatment, usually divided into the following aspects: 1, the infant resistance, immunity is reduced, the organ function development is immature, you can give the child to take appropriate regulation of immunity drugs, such as Yu Ping Feng, etc. 2, part of the infant is because of the existence of varying degrees of malnutrition, not enough calorie intake, resulting in reduced immunity, on the You should see a pediatric gastroenterology clinic to find the cause of the malnutrition and treat the cause of the malnutrition. Some children have food allergies, such as milk protein allergy, you need to replace the deeply hydrolyzed protein milk powder to solve the problem. 3, there are also some children often cold because of the existence of allergic factors, common food allergies and environmental allergies, you should look for allergens, to avoid repeated stimulation of allergens. 4, there are also some children often catch a cold because of infections have not been completely cleared, or the existence of chronic rhinitis, sinusitis and other allergic diseases. Or there are chronic rhinitis, sinusitis and other foci, should be completely cured.