Children’s frequent colds and fevers may be caused by low immunity and improper care. 1. Low immunity: If children are born with deficiencies or have bad habits of picky eating, their own immunity will be poor, when infected by viruses or bacteria, respiratory infections or digestive infections are likely to occur, which leads to frequent colds and fevers in children. 2. Improper care: If parents do not do a good job of keeping children warm, such as wearing too few clothes when the weather is cold, or opening the windows to ventilate the room at night, and not paying attention to children’s body to keep them warm, they will catch a cold, which will cause children to catch a cold and have a fever often. Children with frequent colds and fevers may also have other conditions, so you can go to the hospital to have the relevant examinations to clarify the situation and take appropriate measures.