Yinhu Qingwen Granule in the Treatment of Viral Pneumonia

Inclusion Criteria: * Clinical diagnosis of viral pneumonia; * Clinical diagnosis of Shi-du-yun-jie Zheng (damp stagnation syndrome) according to Chinese medicine, including fever,cough,sore throat,stuffy chest,irritability and thirst,short yellow urine,constipation or loose stool,thick and greasy yellow coating,and slippery pulse; * Chest CT showed signs of acute exudative pneumonia in the lungs; * Over 18 years old, regardless of gender, voluntarily signed an informed consent form; * Those who were hospitalized and were accompanied by fever (body temperature ≥37.3℃) and respiratory tract symptoms like cough or dyspnea, when they were enrolled. Exclusion Criteria: * Patients that are susceptible to sensitivity or known to be allergic to the study drug; * Patients whose white blood cell count ≥12×10\^9 or neutrophil percentage ≥80%; * Patients whose weight is less than 40 kg; * Patients with respiratory failure or need mechanical ventilation; * Patients with shock; * Patients required to be in ICU monitoring and treatment; * Patients participated in other clinical trials within 1 month; * Patients with known renal impairment; * Patients with any of the following laboratory parameter abnormalities during the screening period or within 24 hours before screening: ALT or AST level\> 5 times the upper limit of normal range (ULN) or-ALT or AST level \> 3 times ULN and total bilirubin level\> 2 times ULN; * Patients with immune system diseases and long-term use of immunosuppressive agents; * Pregnant or breastfeeding women, or who have a positive pregnancy test during the screening period, or plan to become pregnant within 3 months after the study treatment.