The percentage of patients in rural areas (57.6%) is higher than in urban areas (42.4%), the functional symptoms before surgery are hearing loss, tinnitus with the incidence of 100%, 87.9, these symptoms improved significantly after surgery (hearing loss decreased from 100% to 18.2% after 3 months, 6 months after surgery; tinnitus decreased by 87.9% to 27.3% and 24.2%), the rate of closure the perforation after 3 months was 81.8%, PTA after surgery is 28.8 ± 10.6dB, up by 13.0 ± 7.4 dB.