Wet rales in the lungs are heard by clinicians during stethoscopic examination. Some patients with pneumonia have dilated bronchi, formed pus cavities in the lungs or tuberculosis, and have wet rales. It is also known as blistering sound, because the lungs or bronchial parts of the disease, the secretion of mucous secretions or purulent secretions, and respiratory inhalation of gas friction, and the sound of the rupture of the blister, common in respiratory diseases, it is recommended to do further blood routine, C-reactive protein, chest imaging, can confirm the diagnosis of the specific cause, according to the results of antibiotics or antiviral treatment. During the period, pay more attention to rest and drink more water.