This essay mainly talked about the situation of drug-abused and drug trafficking from the two important phase of history .The goal is to uncover the reason of drug-abused in a period of social transition which contained the environment, history and social groups factors exerts on the drug-abused before liberation, and the reason of drug-abused became various after liberation. Especially after reformation and exotic, the needs of market plays the important role during a period of social transition, the situation of wider the rich-poor gap and urban-rural gap makes the person himself have...