RESUMEN
Objective To investigate the effect of Mannatide capsules and Thymic peptide on children with recurrent respiratory tract infections(RRI) and the influnence on their immunity. Methods 160 patients with recurrent respiratory tract infections were randomly divided into the control group and the treatment group,the treatment group were treated with Mannatide capsales and Thymic peptide while the control group with only the routine therapy. Results The effect of the treatment group was over the control one(P＜0.01),two groups of the patients were promoted on Ig level,and the effect of 160 cases in the treatment group was more obvious than that of the control one(P＜0.05). Conclusion Mannatide and Thyrnic peptide applied together are effective in treating children with recurrent respiratory tract infections.