Babies often appear upper respiratory tract infection fever, this situation should consider a number of factors, the more common is due to the baby’s immunity is relatively poor, the baby’s usual eating habits are poor, such as like partiality, picky eating, resulting in nutritional imbalance, the existence of malnutrition, such as nutritional anaemia, rickets and so on. In addition, there are some chronic diseases of the respiratory system itself, such as chronic sinusitis, rhinitis, chronic tonsillitis and so on. Baby cold and other triggering factors under the influence of the immune system continues to decline, it is easy to make these chronic diseases acute attack, resulting in frequent upper respiratory tract infections, with repeated fever symptoms.