Early symptoms of pneumonia in infants and children are mainly coughing, shortness of breath, fever, spitting up and crying. 1. Cough: Because infants and young children are too young to spit, the early symptoms of pneumonia are mainly coughing, and rarely coughing up sputum. 2. Shortness of breath: Due to the stimulation of inflammation in the lungs, infants and young children will experience shortness of breath and wheezing in the early stage of pneumonia. 3. Fever: Infants and young children who are infected with pneumonia will also have fever in the early stage. 4. Spitting up: Babies and children may lose their appetite and even spit up due to pneumonia. 5. Crying: Pneumonia can cause infants and young children to feel unwell, and because they are too young to express themselves, they will cry and cry. If parents find that their children have the above symptoms, it is recommended that they take their children to the hospital in time to avoid delaying their children’s treatment.