1, dressed appropriately Cold winter, parents are afraid of children get cold always have to give children wearing thick cotton clothes, in fact, the body temperature of infants and young children and adults are similar, only its thermoregulation center function is poor, in too cold or too hot can not be adjusted in a timely manner. Clothing too much or cover too thick will make the baby body lose too much water, serious dehydration fever, high fever, depression, noisy, refusing to eat and so on, so clothing and adults compared to as long as a little more can be, clothing should not be too thick, in order to facilitate the movement of children. 2, regular ventilation Winter is the high incidence of respiratory diseases, winter heating due to air conditioning, resulting in excessive temperature difference between indoor and outdoor, coupled with the windows and doors closed, poor indoor air circulation, indoor microbial density is higher, some pathogenic bacteria and viruses are prone to infiltrate the baby body. Therefore, even in the cold winter, it is necessary to open the windows regularly, increase indoor humidity. If the indoor temperature is too high and too dry, you can place a basin of water in the room. 3, adhere to outdoor activities Some parents are afraid of children freezing, the weather is cold, will not let the children out of the house, the children’s respiratory tract for a long time do not accept the stimulation of the outside world air, do not get cold exercise, contact with a cold patient, to deal with the pathogenic bacteria resistance is poor, easy to get sick. Therefore, we should insist that children do outdoor activities, cold weather can choose the sunlight, wind less time, let the children in the nature of the activities of half an hour to an hour, can improve the children’s physical condition. 4, reasonable diet Winter is the high incidence of colds, a reasonable diet can increase the body’s ability to fight diseases. Breast milk is not only the best food for children’s physical and intellectual development, containing immunoglobulin that has a protective effect on the mucous membrane of the respiratory tract, which can reduce the occurrence of respiratory diseases. In addition to breastfeeding, should be based on the needs of pediatric growth and development, timely addition of complementary foods, supplement foods rich in vitamins, such as fresh fruits, vegetables, eggs, fish and meat, balanced nutrition, to prevent partiality and picky eating, in order to prevent the lack of vitamins and trace elements so that the child’s body resistance to decline, the amount of supplemental water, to prevent respiratory dryness, in order to reduce the occurrence of respiratory tract diseases.