Among these studies, 11 studies[11,24–26,29,30,32,36,41–45] reported the relationship between plasma IL-10 levels and OSAHS, A study reported differences in IL-10 levels in tonsil tissue between OSAHS patients and non-OSHAS patient,[22] and 19 studies[12,23,27,28,31,33–35,37–40] reported the relationship between the serum IL-10 levels and OSA. Here, IL10 is linked to obstructive sleep apnea syndrome.