Exclusion criteria
allergic, infections, immunodeficiency, virus infection
INFLUENZA, VIRUS INFECTION, MYCOPLASMA INFECTION, INFECTIONS, IMMUNODEFICIENCY, SEVERE MALNUTRITION

Patients is not common influenza (severe or critical) or concomitant other respiratory or pulmonary infections;Patients is not virus infection (mycoplasma infection or bacterial infection);Patients’ laboratory examination results such as serum creatinine (SCR), alanine aminotransferase (ALT) or aspartate aminotransferase (AST) are exceeded the normal range;Patients has severe malnutrition, immunodeficiency (or taking glucocorticoid) or severe vital organ diseases;Patients with severe infections must be treated with other antiviral drugs;Patients are allergic to the RDN or Oseltamivir phosphate granules;Patients has taken Oseltamivir or other heat-clearing & detoxicating traditional Chinese medicine before study;Patients may cause loss of follow-up such as unstable living environment.Patients with any of the above should be excluded.