Objective To observe and study the effect of montelukast on serum allergic reaction and stress indexes of children with adenoid hypertrophy. Methods Totally 66 children with adenoid hypertrophy were selected as the study objects,who were randomized into control group( conventional treatment of adenoid hypertrophy group) 33 cases and observation group( conventional treatment plus montelukast group) 33 cases,then the serum allergic reaction and stress indexes of two groups before the treatment and at fourth,e...