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Abstract Objective：To discuss the recovery of function and voice training time after microsurgical operation of vocal cords.Method：152 vocal cord polyps patients with vocal cord microsurgery from January 2011 to April 2014 in institute of otolaryngology department as research objects，using the voice acoustic analysis，compared to the voice acoustic parametersduring preoperative and postoperative 3，5，7 days.In accordance with the draw random sampling method 152 patients were divided into two groups，patients in group A at 1 weeks after surgery to give voice training，patients in group B at 2 weeks after surgery to give voice training.6 months after voice training，to compare the voice acoustic parameters，VHI scores and GRBAS scores of the two groups.Result：3 d after the operation，the acoustic parameters in patients decreased，had no significant difference compared with that before operation，from 5 d after operation，the acoustic parameters significantly decreased compared with that before operation，there were differences in statistical significance（ P<0.05）.Before voice training，two groups of patients with voice acoustic parameters，VHI scores and GRBAS scores had no significance，6 months after voice training，two groups of patients with voice acoustic parameters，VHI scores and GRBAS scores were significantly improved，group B improved more significantly than group A（ P<0.05）.Conclusion：The voice quality begin to restore 5 d after surgery in patients with vocal cord polyp microstructure，but patients within 2 weeks after a rigorous hugh rear can make voice training.
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