This paper explicates the status quo of marijuana drug problems in Xinjiang before and after the founding of the People s Republic of China, the characteristics of marijuana drug crimes in recent Xinjiang, the social harms marijuana drug crimes bring about and measures to be taken to eradicate marijuana drug crimes.

While assessing personal danger ,we should differentiate personal danger from social hazard and avoid involving personal danger in social hazard as well as repetitive assessment.

The common thinking in China s criminal theory scope that the essential characteristics of a crime is the social hazard of the action is facing much challenge.