Based on data from aviation accident investigation,75% accidents are caused by human factors,mostly related to the pilot fatigue driving.First of all,pilot fatigue symptoms were exposited from the aspects of physiology,mentality,and emotion.Secondly,factors affecting flight fatigue were analysed from personal,organizational,environmental and aircraft factors.Lastly,the status of pilot fatigue monitoring technology was summarized,and the development trend in the future was pointed out on the basis of analysi...