Winter babies are susceptible to respiratory infections, fall diarrhea and other diseases, the doctor said parents can improve the baby’s immunity from these details: 1, prevent picky eating. Most children have the bad habit of being partial and picky eaters. The child’s long-term partial diet will lead to incomplete nutritional intake, easy to reduce immunity, the daily diet should pay attention to the balanced mix of cereals, meat, fruits and vegetables. 2, prevent food accumulation. The formation of food accumulation is the basic cause of most children’s illness, it is not only because the spleen and stomach function of children is not yet sound, incorrect feeding methods and habits are also important factors, accumulation of long time into heat, long accumulation of deficiency will make children’s immunity is reduced. Children do not know whether they are hungry or full, they are prone to eat to support the formation of food accumulation, parents should prevent their children from eating too much. Some parents often worry that their children are too thin or not tall enough, so they induce, coax, and force their children to eat more, which can also lead to food accumulation. The children with food accumulation often show anorexia, rice in the mouth after a long time containing not swallowed, easy bloating, hard stools or diarrhea, heavy breath, thick tongue coating, etc., parents need to take their children to the hospital conditioning treatment. 3, prevent internal fire. Babies with internal fire will appear bad breath, sore throat, dry lips, red tongue, thick tongue coating, dry stools and other symptoms, at this time, viruses, bacteria and other easy to take advantage of the situation. Children should promptly take some medicine to clear heat and detoxify the body and laxative, which can eliminate internal heat and provide a way out for the heat evil in the body to be discharged, thus improving immunity. Children with internal heat should eat light and easily digestible food, and not eat spicy and stimulating food. Drink plenty of water and use mulberry leaves, chrysanthemum, and light bamboo leaves to drink as tea when the flu is approaching, which can remove wind and heat and detoxify the body to achieve a good preventive effect.