Objective To investigate the characteristics of clinicalmanifestations and treatment of influenza A （H1N1）. Method The dynamic observation was carried out on the characteristis of clinicalmanifestations of 22 confirmed cases. Results Of the 22 cases

there were 15 males

7 females; 1 case had the infection in lung; the fever lasted 1～4 days veragely; the asthenia and muscular soreness were not serious; and one had the symptoms of digestive tract. The Chinese medicine treatment could bring down fever and improve the symptoms such as cough

sore throat

headache and so on. Conclusion The toxicity of influenza A （H1N1） is weak

thus the poisoning symptoms of whole body were not as server as those of seasonal influenza. Treatments directed to the symptoms should be main ways to the case who had not serious condition.