The deafness genes carried out by our population mainly included GJB2 (DFNB1A, MIM 220,290), SLC26A4 (PDS, MIM 274,600), mitochondrial DNA (mtDNA), (Mitochondrial disease, MIM 561,000), and GJB3 (DFNB1A, MIM 220,290)4. The gene discussed is GJB2; the disease is deafness.