This noise level investigation was carried out at entertainment places around Khon Kaen campus. The study results found that the average sound level 8 hours (Leq 8 hr) of the entertainment places monitoring from 5 pm. to 1 am during June to September 2014 were in the range of 72.0-89.3 dB (A) with in the standard 90 dB (A) while, the maximum sound level (Lmax) were in the range of 91.9-109.4 dB (A) with in the standard 110 dB (A). The Noise level of the entertainment places around Khon Kaen campus was proportional to the number of customers. There were customers 98% of the seat on Friday Saturday and Sunday. The questionnaire results study of 107 workers found that the workers' health attitude noise affect would be considered as well as noise would cause health hazards (64.49%), noise were harmful to physical and mental health (65.42 %), a heart beat faster when heard a loud, ear pain and tinnitus symptoms(67.29%), They would be irritable when communicating with the customers (54.20%). Those workers not only were never checking of a health heard (73.83%) but also did not ware any personal noise protective devices (94.40%).