This research aims to figure out the correlation of workplace and lung capacity of petrol gas station workers in Kendari City. An analitical study with samples of worker in Saranani, Bonggoeya and Martandu Petrol Gas Station consisted of 42 samples. Measurement of workplace identified using questionnaire and lung capacity is measured using spirometry. Data analysis used Statistical Chi Square test and signifficancy level at 0,05. The result showed 31 of 32 respondents (96,9%) have abnormal lung capacity in outdoor and 2 of 10 respondents (20%) at outdoor. There was a signifficant correlation of workplace to lung capacity of Petrol Gas Station workers (p value = 0,00).