Objective To investigate the effect and correlation on serum IFN-γ,IL-4,IL-5 and IL-17 on children with asthma. Methods The clinical data of 39 children with asthma in our hospital from January 2013 to June 2014 were analyzed as the observation group,and another 37 healthy children in our hospital were taken as the control group. Results The levels of serum IFN-γ,IL-4,IL-5 and IL-17 were significantly higher in the observation group than in the control group( P < 0. 05). The value of VC%,FEV1/ FVC% and MMER...