According to the literature, this may be associated with allergic factors and genetic factors.18-20 Through completely randomly designed rank sum test for pair-wise comparative analysis, the results showed that serum levels of IL-4, IL-5, IL-10, sICAM-1, sVCAM-1, and sE-selectin 6 in the allergic rhinitis group, the asthmatic group, and the combined group were higher than those of the control group, and the results of the combined group were higher than those of the asthma group. Here, IL5 is linked to asthma.