Internal and external causes in revolution of vocabulary;

The new reflection of the dialectical relationship between internal and external cause --The thought on theory of "The Chinese Communist Party should always represent the requirement of Chinese advanced productive force;

Intermediate——occurrence foundation of internal and external causes mutual action mechanism;

In combination with the geological conditions,the coal seam occurence,and the engineering factors and so on in Qiaotou Coal Mine,the internal causes and external factors of "The underground fire occurs mystically" were expounded.

The external factors of leading cadre corruption chiefly have five reasons,such as: the bad influence of the society development,the bitterness of the system reforming,the influence of society unhealthy tendency and preventing and eradicating the corruption is not complete,etc.