The development of online reviews has provided an effective tool for hotels to understand their service quality. Based on the online comment text of Hongzhushan Hotel in Emei Mount, ROST Content Mining software is used to extract the high frequency vocabulary in the network text and construct the hotel service quality network evaluation system. From the basic service, facilities and facilities, health environment, overall evaluation, The paper studies the service quality of Hongzhushan Hotel. Finally, aiming at the problems in the online comment text, the paper puts forward some suggestions to improve the service quality.