The care of infants and children with cold and fever is mainly divided into daily care, such as keeping warm, ensuring the humidity of the environment, ensuring sleep, and dietary care, such as ensuring sufficient protein intake, ensuring fluid intake and so on. 1. Daily care: infants and children with colds and fevers need to do a good job of daily care, to prevent infants and children from contacting cold, dirty, stimulating food, and at the same time, do a good job of keeping infants and children warm, to ensure that the environment of the air circulation, humidity is appropriate to ensure that the sleep time is sufficient, to avoid choking on breastfeeding and coughing, and so on. 2. Dietary care: During the period of illness, infants and young children should ensure that their nutritional intake is sufficient and comprehensive, to ensure adequate protein intake, to ensure liquid intake, such as eating soft noodles and vegetables, fresh fruits, fish and meat, etc.; for infants and young children who have not yet added complementary foods, continue to formula milk or breastfeeding can be. Infants and young children are in a vulnerable period of growth and development, and have poor resistance to the outside world. It is recommended that infants and young children with fever after upper respiratory tract infections go to clinics or hospitals for standardized diagnosis and treatment.