Efficacy and Safety of Regan Tangjiang for Treating the Common Cold With Wind-heat Syndrome

Inclusion Criteria: * Diagnosis of common cold according to Western Medicine，with symptoms onset and fever less than 24 hours prior to randomization； * After the onset of the disease, with the following symptoms: sore throat and axillary temperature between 38.5 and 38.9°C inclusive. * Diagnosis of wind-heat syndrome according to TCM； * Aged between 18 to 65 years； * Willingness to participate and to sign the informed consent form. Exclusion Criteria: * Participants with Pneumonia, suppurative tonsillitis, acute tracheobronchitis, acute and chronic sinusitis, pulmonary tuberculosis and other diseases; * White blood cell count \>11.0×109/L, or neutrophil percentage\>75%; * Participants with liver function 1.5 times higher than the normal upper limit or serum creatinine higher than the normal upper limit; * Participants with severe primary diseases of cardiovascular, brain, lung, liver, kidney and hematopoietic system , such as viral hepatitis, hemophilia, diabetes, psychosis and so on; * Participants who had used other drugs to treat common cold after the onset of the disease, including antivirals, antibiotics and traditional Chinese medicine. * Women who are pregnant or breast-feeding; * Allergic condition (refer to history of allergy to two or more drugs or food) or allergy to the drug composition(s); * Participation in another clinical study of an investigational drug within 3 months * Participants who are not suitable for the trial decided by the researchers for any reason, such as pregnancy, frequently changes in work or living environments.