The effect of dietary factors on the self-reported symptoms of fatigue were surveyed by the interviewing method among 119 taxi drivers in Cheonan area. It was shown that 86.5% of them were working over 11 hours a day and 34.4% of them over 16 hours. the level of job satisfaction was very low. Many of them felt fatigue during driving. Some symptoms of fatigue which many taxi drives said to be suffered from were headache physical exhaustion nervousness tired and sore eyes and anorexia. When related variables to the self-reported symptoms of fatigue were analyzed daily sleeping hours and exercise were significantly correlated with physical mental and neuro-motor fatigue, Subjects who had meals irregularly were greater than those who had regularly. In addition they tended to eat faster during working and 28.6% of them seldom had breakfast. Subjects who had meals irregularly consumed significantly less fat iron calcium vitamin A, and riboflavin. A and riboflavin and niacin than those who skipped it.