Pneumonia is a common and frequent disease in pediatrics, caused by viral infections in 50% of young children and often by bacterial and Mycoplasma pneumoniae infections in older children, with clinical manifestations of fever, cough, shortness of breath, dyspnea and fine wet rales in the lungs, and also in those with heavy cough and wheezing without fever. Despite the advances in modern medicine, it is still one of the leading causes of death in children. Pediatric pneumonia changes rapidly compared to adults and requires aggressive treatment. If a child develops fever, cough or other symptoms of pneumonia, he or she should seek prompt medical attention. Depending on the child’s condition, the doctor will provide appropriate tests such as chest X-ray, blood tests, C-reactive protein, Mycoplasma pneumoniae and other pathogens to assess the severity of the pneumonia and the pathogen, and give symptomatic supportive treatment such as anti-infection, cough expectoration and wheezing. Viral infections only need symptomatic supportive treatment without the application of antibiotics, while bacterial and mycoplasma infections need to apply sensitive antibiotics now. In general, Streptococcus pneumoniae pneumonia course 7-10 days, Gram-negative enterobacteria pneumonia course 14-21 days, Mycoplasma pneumoniae pneumonia, Chlamydia pneumonia course an average of 10-14 days, Haemophilus influenzae pneumonia need about 14 days, individual severe cases can be properly extended, as long as the doctor said to do, the late stabilization stage is possible to go home, but full recovery is The above time is needed. The course of treatment for pneumonia is determined by the effectiveness of the condition as it improves, and treatment requires a consolidation phase. The child will heal well under the guidance of a physician.