Objectively evaluate the clinical effect of Qingyan drop pill in the treatment of sore throat after anterior cervical spine surgery in order to analyze the advantages of Qingyan drop pill in the treatment of complications afrer cervical spine surgery.Methods:There were 40 patients(7 patients lost to follow-up)of sore throat symptoms after anterior cervical spine surgery in Dongzhimen hospital affiliated to Beijing university of traditional Chinese medicine from 2012 to 2015.They were randomly divided into two groups,14 cases were given sublingual Qingyan drop pills,and the others were given atrovent(ipratropium bromide solution)aerosol inhalation.The improvement was showed by VAS scores of sore throat,the improvement of sore throat symptom and sore throat syndrome.Results:The two groups in VAS scores,the improvement of sore throat symptom and sore throat syndrome between pre-treatment and post-treatment were statistically significant(P<0.05).The cure-remarkable-effectiveness rate of Qingyan drop pill group and aerosol inhalation group were 28.57% and 26.31% after 3 days’ treatment,but there were no statistically significant between two groups(P>0.05)after 1、5、7days’ treatment.Conclusion:1)Qingyan drop pill can effectively improve sore throat symptom after anterior cervical spine surgery;2)The curative effect of Qingyan drop pill in the treatment of postoperative sore throat is distinct and work faster than aerosol inhalation therapy;3)The overall curative effect of Qingyan drop pill is similar to aerosol inhalation therapy.