Clear expression was observed for TLR1, TLR2, TLR3, TLR4, TLR5, TLR6, TLR7, and TLR9, while we failed to detect TLR8 and TLR10 in nasal epithelium from both healthy controls and nasal polyposis patients. The gene discussed is TLR9; the disease is Nasal polyposis.