Pediatric pneumonia causing solid changes in the lungs is relatively serious. Pneumonia causing solid changes in the lungs is usually lobar pneumonia, for example, Streptococcus pneumonia can have solid changes, and Mycoplasma pneumonia can also cause solid changes in the lungs. Generally speaking, solid changes caused by pneumonia are more serious than ordinary bronchopneumonia, and often the symptoms of toxicity may be more obvious, such as high fever or even obvious cough symptoms, some children have pleural reactions in addition to solid changes, and older children sometimes have chest pain. Some babies with pulmonary solid changes, if not standardized treatment, may lead to segmental atelectasis, then may affect the baby’s lung ventilation function, so it is still relatively serious, need to be under the guidance of the doctor to carry out active anti-infective treatment, if necessary, need to be bronchoscopic lavage treatment. If the child has a solid lung condition, to the hospital, by the doctor according to the specific condition, to develop individualized diagnosis and treatment plan, so as not to delay the condition.