Increased and thickened texture in both lower lungs is a pathological manifestation of both lungs found by imaging, which can be seen by taking X-rays or CT of both lungs, suggesting many causes. In addition, it is also seen in non-infectious factors, such as various causes of respiratory distress, and the appearance of acute pulmonary edema can also appear such performance, clinical should be early detection of blood routine, lung function to clarify the cause and condition, and timely treatment.