Objective: To assess the clinical efficacy of the Biyan oral liquid in treatment of allergic rhinitis. Methods: Fifty-six subjects in treatment group were treated with Biyan Oral Liquid and another 56 cases in control group were treated with Biyankang tablets

for two courses with fourteen days in each.A global evaluation with symptom scores before treatment and 7

14

28 d after treatment was made. Results :An improvement was shown each observation target record points obviously reduce after treatment with statistical significance (P＜0.05) in seven days

fourteen days

twenty-eight days. The 7

14

28 d after treatment

the total effective rates for clinical symptom and siqn were 76.79%

82.14%

85.71% in treatment group and they were 57.14%

62.50%

66.07% in control group respectively with striking differences between the two groups(P＜0.05). No distinct adverse drug reaction was found in either group. Conclusion :Biyan Oral Liquid has excellent effects on allergic rhinitis.