Infants, because of their young age, need to be hospitalized in principle when they suffer from pneumonia, but parents have the right to exercise their right of refusal on the premise that they will bear the consequences. If the clinical diagnosis of pneumonia, because the baby is less than one year old, the age is small, the immune function development is not perfect, this situation is in principle need to be hospitalized, and even some severe pneumonia baby will be combined with respiratory failure, hypoxemia, encephalitis, sepsis, shock and so on, then must be hospitalized in order to be able to ensure the relative safety. However, legally, parents have the right to refuse hospitalization. However, if they refuse to follow the doctor’s instructions, they do so at their own risk. Therefore, in principle, hospitalization is required for infant pneumonia, but it is not mandatory.