Yiye Anti Influenza Capsule

(1) Using placebo as control, preliminarily evaluate the efficacy of different doses of Yiye Anti-Influenza Capsules in the treatment of influenza (wind-heat attacking the Wei syndrome). (2) Preliminarily evaluate the safety of different doses of Yiye Anti-Influenza Capsules in patients with influenza (wind-heat attacking the Wei syndrome). (3) Explore the optimal efficacy index and safe and effective dose of Yiye Anti-Influenza Capsules to provide a basis for the use of drugs in Phase III trials.