To explore the effects of Yangyin Liyan Decoction and Yuye Powder blowing throat on serum factors in patients with chronic pharyngitis with yin deficiency and pulmonary dryness.Methods:A retrospective analysis was conducted on 118 cases of chronic pharyngitis patients in the Fourth People's Hospital of Zibo and were divided into an experiment group and a control group according to different treatment methods,with 59 cases in each groups.The control group was treated with conventional Western medicine,the experiment group was treated with Yangyin Liyan Decoction and yuye Powder blowing throat.All were treated for 30 days continuously.The clinical efficacy of 2 groups after treatment were compared.The improvement of main clinical symptoms,the levels of SIgA in saliva,inflammatory factors in serum and the changes of quality of life in the 2 groups before and after treatment were compared.Results:The total effective rate was 91.53% in the experiment group,which was higher than 76.27% in the control group(P<0.05).After treatment,the scores of clinical symptoms of pharyngeal pain,dry cough and pharyngeal mucosal congestion and edema in the 2 groups was lower than before treatment,and those in the experimental group was lower than that in the control group(P<0.01).Compared with those before treatment,the SIgA level in the 2 groups after treatment significantly increased,the levels of serum TNF-α and CRP significantly decreased,and there was significant difference between the 2 groups(P<0.01).The SF-36 scores of 2 groups after treatment were significantly higher than those before treatment,and the experiment group was significantly higher than the control group(P<0.05 or P<0.01).Conclusion:Yangyin Liyan Decoction and Yuye Powder blowing throat can reduce the levels of serum TNF-α,CRP in patients with yin deficiency and lung dryness chronic pharyngitis,increase the content of SIgA in saliva,improve the clinical symptoms and the quality of life of patients.