HBV‐related LC, as an important phase of HBV infection, was found to be related to several SNPs of cytokines, such as the TT genotype of interleukin‐2 (IL‐2),7 the TT genotype of IL‐6,11 and the CC genotype of IL‐10.12 Here, IL10 is linked to laryngotracheoesophageal cleft.