Research and genetic analysis on exceed of hundred of the total number of deaths for every accident in China

Official statistics indicated that there were 6 accidents in the workplace for 2004～2005,which claimed exceed of hundred of the total number of deaths for every accident.There were 25 accidents in the workplace since 1949,which died 4064 lives.However,the fact is lack of accurate statistic data of accidents,number and genetic classification of deaths for coal mining,which couldn't primely discuss the origin of the accidents and take measures for exceed of hundred of the total number of deaths.On the base of studying exceed of hundred of the total number of accidents and of deaths and the origin of accidents,especially two examples,complexities and complex origins were suggested on exceed of hundred of the total number of deaths Coal dust