From time immemorial, the main cause that brings about universal flight accidents, above 70% is cause by human factor. This essay lists out tragic and painful experiences of domestic and international mar airliner mishaps, for discussions, analysis, summing up the consequences and teachings, tireless speech makes one realize and think. Form now if it is possible to request for discipline, increase psychological evaluation, implement training and take different steps for prevention, it is not an impossible dream to remove and lessen flight accidents. There are mainly therr points which are the causes of our country's high accidents rate: 1. Shortage of flight safety specialised organizations; 2. flight specialist staffs not fiven importance; 3. not enough investment for flight safety and prevention work. Hope our govermment and civil units, hold to the logic that prevention is more important than thimking of the after effects, should be willing to spend money for prevention of flight accidents, also must first set up flight safety specialised organizations, gather talented peole and make plans for training.